Motion and Time Class 7 MCQ Online Test. We covered all the Motion and Time Class 7 MCQ Online Test in this post for free so that you can practice well for the exam.
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MCQ on Motion and Time for Class 7 Students
The average velocity of an object is obtained by
(a) Dividing the total distance traveled by the total time taken
(b) Half of the sum of the initial velocity and the final velocity
(c) Both (a) and (b)
(d) None of the above
Option b – Half of the sum of the initial velocity and the final velocity
A negative value of acceleration signifies
(a) The velocity is increasing
(b) The velocity is decreasing
(c) The velocity remains the same
(d) The object comes to rest
Option b – The velocity is decreasing
In distance-time graphs
(a) Distance is taken along the X-axis
(b) Time is taken along the Y-axis
(c) a Straight line indicates uniform motion
(d) a Straight line indicates non-uniform motion
Option c – a Straight line indicates uniform motion
In velocity-time graphs
(a) Velocity is taken along the Y-axis and Time is taken along the X-axis
(b) a Straight line indicates uniform acceleration
(c) a Straight line parallel to the x-axis indicates uniform motion
(d) All of the above
Option d – All of the above
If a body is moving at constant speed in a circular path, its
(a) velocity is constant and its acceleration is zero
(b) velocity and acceleration are both changing directions only
(c) velocity and acceleration are both increasing
(d) velocity is constant and acceleration is changing direction
Option b – velocity and acceleration are both changing directions only
A graph is plotted to show the velocity of a car as a function of time. If the graph is a straight line, it means that
(a) the car started at rest
(b) acceleration was constant
(c) acceleration was increasing
(d) velocity was constant
Option b – acceleration was constant
If a car is traveling north on a straight road and its brakes are applied, it will
(a) have no acceleration
(b) accelerate to the south
(c) accelerate to the north
(d) accelerate either east or west
Option b – accelerate to the south
An object moves with a uniform velocity when
(a) the forces acting on the object are balanced
(b) there is no external force on it
(c) Both (a) and (b)
(d) Either (a) or (b)
Option c – Both (a) and (b)
The acceleration of a car that speeds up from 12 meters per second to 30 meters per second in 15 seconds
(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 motion of an object is the change in position with respect to a reference point known as
(a) origin
(b) initial position
(c) final position
(d) distance
Option a – origin
Displacement is the
(a) the shortest distance between initial and final positions
(b) the actual distance between the initial and final positions
(c) the distance traveled by the object
(d) the distance traveled by the object in a unit of time
Option a – the shortest distance between initial and final positions
An object has traveled 10 km in 15 minutes, its displacement will be
(a) 10km
(b) Can be zero
(c) More than 10 km
(d) All of the above
Option d – All of the above
If an object covers equal distances in equal intervals of time, it is said to be in
(a) Circular Motion
(b) Uniform Motion
(c) Oscillatory Motion
(d) Non-uniform Motion
Option b – Uniform Motion
Two balls A and B of the same mass are thrown from the top of the building. A, thrown upward with velocity V and B, thrown downward with velocity V, then
(a) the Velocity of A is more than B at the ground
(b) the Velocity of B is more than A at the ground
(c) Both A and B strike the ground with the same velocity
(d) None of these
Option c – Both A and B strike the ground with the same velocity
A ball is released from the top of a tower of height h meters. It takes T seconds to reach the ground. What is the position of the ball in T/3 seconds
(a) h/9 meters from the ground
(b) 7h/9 meters from the ground
(c) 8h/9 meters from the ground
(d) 17h/18 meters from the ground
Option c – 8h/9 meters from the ground
When a bus suddenly takes a turn, the passengers are thrown outwards because of
(a) inertia of motion
(b) acceleration of motion
(c) speed of motion
(d) Both (b) and (c)
Option a – inertia of motion
A thief snatches a purse and runs due west, going 6.0 meters per second. A policeman, 15 meters to the east, sees the event and gives chase. If the officer is a good sprinter, going at 8.5 meters per second, how far does he have to run to catch the thief
(a) 12 m
(b) 51m
(c) 61m
(d) 55 m
Option b – 51m
A car going at 24 meters per second passes a motorcycle at rest. As it passes, the motorcycle starts up, accelerating at 3.2 meters per second squared. If the motorcycle can keep up that acceleration, how long will it take for it to catch the car
(a) 12 s
(b) 14s
(c) 20 s
(d) 18 s
Option b – 14s
A man walks on a straight road from his home to market 2.5km. away with a speed of 5 km/h. Finding the market. closed, he instantly turns and walks back home at a speed of 7.5 km/h. The average speed of the man over the interval of time is 0 to 40 min. is equal to
(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 meters high. How long will it take to reach the ground?
(a) 2.2 s
(b) 1.2 s
(c) 4.5 s
(d) 0.2 s
Option a – 2.2 s
Mohan takes 20 minutes to cover a distance of 3.2 kilometers due north on a bicycle, his velocity in kilometers/ hour
(a) 8.1
(b) 9.6
(c) 1.2
(d) 7.2
Option b – 9.6
A pitcher throws his fastball horizontally at 42.1 meters per second. How far does it drop before crossing the plate, 18.3 meters away?
(a) 0.8m
(b) 1.2m
(c) 2.2m
(d) 0.93m
Option d – 0.93m
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