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Motion in Two Dimensions MCQ. We provided the Motion in Two Dimensions MCQs with answers pdf in this post for free so that you can practice well for the exam.
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MCQ on Motion in Two Dimensions for NEET Students
Quick Quiz
A 20 kg mass is rotating in a vertical circle using a string that is 4 meters long. The change in kinetic energy between the lowest and highest points of the circle is (g = 10 m/s²)
a) 1800 J
b) 1000 J
c) 1600 J
d) 2000 J
Option c – 1600 J
A helicopter moving horizontally at 500 km/h drops a food packet from a height of 2000 m when it is at point P. The packet lands at point Q. What is the distance PQ?
a) 2.81 km
b) 3.46 km
c) 4.81 km
d) 1.23 km
Option a – 2.81 km
By increasing the initial speed of a projectile, the maximum height is raised by 8% while keeping the angle constant. What is the percentage increase in the projectile’s total flight time?
a) 8%
b) 16%
c) 4%
d) 6.25%
Option d – 6.25%
Which statement about a projectile’s motion is correct?
a) Kinetic energy is highest at the peak of the path
b) Kinetic energy is lowest at the peak of the path
c) Gravitational acceleration is greatest at the peak
d) Gravitational acceleration is smallest at the peak
Option b – Kinetic energy is lowest at the peak of the path
A 4 kg mass moves in a circular path with a radius of 3 m on a smooth horizontal surface. If the string holding it can withstand up to 40 N, what is the highest speed in revolutions per minute?
a) 17 rev/min
b) 20 rev/min
c) 8 rev/min
d) 5 rev/min
Option a – 17 rev/min
Which of the following is true regarding projectile motion?
a) The minimum range is achieved at a 180° angle
b) The minimum range is achieved at a 90° angle
c) The minimum range is achieved at a 60° angle
d) The minimum range is achieved at a 45° angle
Option b – The minimum range is achieved at a 90° angle
A ball is thrown by one person and catches it by another in 4 seconds. What is the maximum height above the projection point? (g = 10 m/s²)
a) 20 m
b) 40 m
c) 15 m
d) 60 m
Option a – 20 m
When a ball is thrown upwards and follows a parabolic path back to the ground, which quantity stays unchanged?
a) Speed
b) Vertical velocity
c) Horizontal velocity
d) Kinetic energy
Option c – Horizontal velocity
Calculate the maximum height reached by a ball launched at a 60° angle with a horizontal speed of 20 m/s. (g = 10 m/s²)
a) 40 m
b) 30 m
c) 60 m
d) 80 m
Option c – 60 m
Find the linear speed of a body completing 6 revolutions in a circular path of 4 cm radius in one minute.
a) 0.1 m/s
b) 0.01 m/s
c) 0.025 m/s
d) 0.05 m/s
Option c – 0.025 m/s
Determine the flight time of a ball thrown at a 30° angle with an initial speed of 20 m/s. (g = 10 m/s²)
a) 6 s
b) 1 s
c) 2 s
d) 4 s
Option c – 2 s
In uniform circular motion, which physical quantity changes continuously?
a) Momentum
b) Speed
c) Mass
d) Kinetic energy
Option a – Momentum
Calculate the frictional force acting on an 80 kg cyclist moving in a circle of radius 4 m while leaning at a 30° angle. (g = 10 m/s²)
a) 231 N
b) 462 N
c) 326 N
d) 481 N
Option b – 462 N
Find the safest speed for a 10 m wide road with a curvature radius of 50 m if the raised edge is 2 m higher than the inner edge. (g = 10 m/s²)
a) 15 m/s
b) 20 m/s
c) 5 m/s
d) 10 m/s
Option d – 10 m/s
What is the angle of projection when an object is thrown vertically upwards?
a) 30°
b) 90°
c) 0°
d) 60°
Option c – 0°
Calculate the minimum coefficient of friction needed to prevent a car from skidding while moving at 80 km/h around a circular track of radius 80 m. (g = 10 m/s²)
a) 0.71
b) 0.62
c) 0.23
d) 0.54
Option b – 0.62
Assertion: At the peak of a projectile’s path, acceleration remains equal to ‘g’.
Reason: The acceleration stays constant at all points of projectile motion and equals ‘g’.
a) Both the assertion and reason are correct, and the reason correctly explains the assertion.
b) Both the assertion and reason are correct, but the reason does not explain the assertion.
c) The assertion is correct, but the reason is incorrect.
d) The assertion is incorrect, but the reason is correct.
Option a – Both the assertion and reason are correct, and the reason correctly explains the assertion.
A shell is fired from a cannon at a speed of 250 m/s making a 30° angle with the ground. What horizontal distance will it cover? (g = 10 m/s²)
a) 1.98 km
b) 2.64 km
c) 6.23 km
d) 5.41 km
Option d – 5.41 km
A car is moving along a circular track with a radius of 200 m at a speed of 40 m/s, and its speed is increasing at a rate of 4 m/s². What is its total acceleration?
a) 12 m/s²
b) 9 m/s²
c) 5 m/s²
d) 10 m/s²
Option b – 9 m/s²
What is the ratio of the angular speed of the minute hand to that of the hour hand in a clock?
a) 1 : 6
b) 12 : 1
c) 6 : 1
d) 1 : 12
Option b – 12 : 1
A ball rolls off a flat table at 5 m/s and hits the ground after 0.5 seconds. What is the height of the table? (g = 10 m/s²)
a) 1.5 m
b) 3.28 m
c) 2.50 m
d) 1.25 m
Option d – 1.25 m
Which of the following statements is incorrect regarding angular displacement?
a) Angular displacement has physical dimensions
b) Finite angular displacement has both magnitude and direction
c) Finite angular displacement is not a vector quantity
d) Very small angular displacement is a vector
Option a – Angular displacement has physical dimensions
A 5 kg object is tied with a nylon cord outside a spacecraft and moves in a circular path at 6 m/s under a force of 100 N. What is the radius of its path?
a) 0.8 m
b) 2.8 m
c) 3.8 m
d) 1.8 m
Option d – 1.8 m
A 4 kg stone is tied to a 2 m string and spun in a vertical circle at 6 m/s. What is the highest tension in the string?
a) 112 N at the lowest point
b) 112 N at the highest point
c) 226 N at the lowest point
d) 226 N at the highest point
Option a – 112 N at the lowest point
A mass moves in a circle with a 2 m radius on a smooth table. The string can withstand a maximum of 40 N. If the maximum speed is 60 revolutions per minute, what is the mass?
a) 0.51 kg
b) 2 kg
c) 1 kg
d) 2.52 kg
Option a – 0.51 kg
A 6.2 kg particle moves in a vertical circle using a string. What is the difference in string tension between the bottom and top positions?
a) 372 N
b) 146 N
c) 128 N
d) 209 N
Option a – 372 N
What is the total acceleration of a motorcycle traveling along a circular path with a radius of 200 m at 20 m/s?
a) 4 m/s²
b) 3 m/s²
c) 2 m/s²
d) 1.8 m/s²
Option c – 2 m/s²
How is the average velocity of an object calculated?
a) Total distance divided by total time
b) The average of initial and final velocities
c) Both a and b
d) None of the above
Option b – The average of initial and final velocities
What does negative acceleration mean?
a) The object’s speed is increasing
b) The object’s speed is decreasing
c) The object’s speed remains unchanged
d) The object comes to rest
Option b – The object’s speed is decreasing
In distance-time graphs:
a) Distance is plotted on the X-axis
b) Time is plotted on the Y-axis
c) A straight line shows uniform motion
d) A straight line shows non-uniform motion
Option c – A straight line shows uniform motion
In velocity-time graphs:
a) Velocity is plotted on the Y-axis and time on the X-axis
b) A straight line indicates constant acceleration
c) A straight line parallel to the X-axis shows uniform speed
d) All of the above
Option d – All of the above
When an object moves in a circular path at constant speed: ( Motion in Two Dimensions MCQ )
a) Velocity stays constant and acceleration is zero
b) Both velocity and acceleration continuously change direction
c) Both velocity and acceleration are increasing
d) Velocity is constant but acceleration direction changes
Option b – Both velocity and acceleration continuously change direction
If the velocity-time graph of a car is a straight line, what does it indicate? ( Motion in Two Dimensions MCQ )
a) The car started from rest
b) The car had constant acceleration
c) The car’s acceleration kept increasing
d) The car moved at a constant speed
Option b – The car had constant acceleration
A car is moving north on a straight path and suddenly applies brakes. What happens next?
a) The car experiences no acceleration
b) The car gains acceleration towards the south
c) The car gains acceleration towards the north
d) The car accelerates either east or west
Option b – The car gains acceleration towards the south
An object will move at a constant velocity when ( Motion in Two Dimensions MCQ )
a) The forces acting on it are balanced
b) No external force is applied
c) Both a and b
d) Either a or b
Option c – Both a and b
A car accelerates from 12 m/s to 30 m/s in 15 seconds. What is its acceleration? ( Motion in Two Dimensions MCQ )
a) 2.4 m/s²
b) 1.2 m/s²
c) 2 m/s²
d) 5.2 m/s²
Option b – 1.2 m/s²
The change in an object’s position with reference to a fixed point is called
a) Origin
b) Starting point
c) Ending point
d) Distance
Option a – Origin
Displacement is defined as ( Motion in Two Dimensions MCQ )
a) The shortest distance between the starting and ending points
b) The total distance traveled between the starting and ending points
c) The distance covered by the moving object
d) The distance covered per unit time
Option a – The shortest distance between the starting and ending points
If an object travels 10 km in 15 minutes, its displacement can be ( Motion in Two Dimensions MCQ )
a) 10 km
b) Zero
c) More than 10 km
d) Any of the above
Option d – Any of the above
When an object covers the same distance in the same amount of time repeatedly, it is said to be in ( Motion in Two Dimensions MCQ )
a) Circular motion
b) Uniform motion
c) Oscillatory motion
d) Non-uniform motion
Option b – Uniform motion
Two balls, A and B, each of the same mass, are thrown from the top of a building. Ball A is thrown upwards and ball B is thrown downwards, both with the same speed. What happens when they reach the ground?
a) A hits the ground with more speed than B
b) B hits the ground with more speed than A
c) Both A and B reach the ground at the same speed
d) None of the above
Option c – Both A and B reach the ground at the same speed
A ball is dropped from a tower of height h. It takes T seconds to reach the ground. Where will the ball be after T/3 seconds?
a) h/9 meters above the ground
b) 7h/9 meters above the ground
c) 8h/9 meters above the ground
d) 17h/18 meters above the ground
Option c – 8h/9 meters above the ground
When a bus turns suddenly, passengers seem to be thrown outward because of ( Motion in Two Dimensions MCQ )
a) Inertia of motion
b) Acceleration
c) Speed of motion
d) Both b and c
Option a – Inertia of motion
A thief runs west at 6 m/s after stealing a purse. A policeman starts chasing from 15 m to the east at 8.5 m/s. How far will the policeman run to catch the thief? ( Motion in Two Dimensions MCQ )
a) 12 m
b) 51 m
c) 61 m
d) 55 m
Option b – 51 m
A car moving at 24 m/s passes a stationary motorcycle. As the car passes, the motorcycle starts accelerating at 3.2 m/s². How long will it take for the motorcycle to catch up with the car?
a) 12 s
b) 14 s
c) 20 s
d) 18 s
Option b – 14 s
A man walks 2.5 km to the market at 5 km/h. Finding the market closed, he returns immediately at 7.5 km/h. What is his average speed over the 40-minute trip?
a) 5 km/h
b) 25/4 km/h
c) 30/4 km/h
d) 45/8 km/h
Option d – 45/8 km/h
A ball is dropped from a window 24 m high. How long will it take to hit the ground? ( Motion in Two Dimensions MCQ )
a) 2.2 s
b) 1.2 s
c) 4.5 s
d) 0.2 s
Option a – 2.2 s
Mohan cycles 3.2 km north in 20 minutes. What is his speed in km/h?
a) 8.1
b) 9.6
c) 1.2
d) 7.2
Option b – 9.6
A pitcher throws a baseball horizontally at 42.1 m/s. The distance to the batter is 18.3 m. How far will the ball drop before it reaches the batter? ( Motion in Two Dimensions MCQ )
a) 0.8 m
b) 1.2 m
c) 2.2 m
d) 0.93 m
Option d – 0.93 m
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