Centripetal Force in Hindi

Centripetal force in Hindi. We covered all the Centripetal force in Hindi in this post for free so that you can practice well for the exam.

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Mock test on Centripetal force for Students

A particle of Mass 0.25 kg is tied to a string of length 1.96 m and rotated in a horizontal circle. The string can withstand a maximum tension of 25 N. What is the highest possible speed of the particle?

a) 5 m/s

b) 3.92 m/s

c) 3 m/s

d) 14 m/s

Show Answer

A body of Mass 100 g is attached to a string of length 2 m and revolves in a horizontal circle at a maximum speed of 200 revolutions per minute. The string is fixed at the center. What is the approximate maximum tension the string can bear?

a) 8.76 N

b) 8.94 N

c) 89.42 N

d) 87.64 N

Show Answer

If the coefficient of friction between a car’s tyres and the road is 0.5, what is the maximum speed at which the car can take an unbanked curve of radius 40 m without skidding?

a) 25 m/s

b) 19 m/s

c) 14 m/s

d) 11 m/s

Show Answer

A stone of Mass 16 kg is tied to a string 144 m long and rotated in a horizontal circle. If the string can tolerate a maximum tension of 16 N, what is the greatest speed of the stone without breaking the string?

a) 20 m/s

b) 16 m/s

c) 14 m/s

d) 12 m/s

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An object of Mass 50 kg moves in a horizontal circle of radius 8 m. If the centripetal force acting on it is 40 N, what is its kinetic energy?

a) 320 J

b) 220 J

c) 260 J

d) 160 J

Show Answer

A stone of Mass m is tied to a string and rotated in a horizontal circle with constant speed v. The tension in the string is F. If both the radius and angular velocity are doubled, what will be the new tension?

a) F

b) 2F

c) 4F

d) 8F

Show Answer

The maximum frictional force between a car’s tyres and the road equals half the weight of the car. If the car negotiates a curve of radius 20 m, what is its speed?

a) 7 m/s

b) 10 m/s

c) 4.9 m/s

d) 14.2 m/s

Show Answer

A string can withstand a maximum tension of 20 N. A particle of Mass 0.1 kg is attached to a string of length 2 m. What is the maximum angular speed with which the particle can be rotated?

a) 10 rad/s

b) 100 rad/s

c) 5 rad/s

d) 1 rad/s

Show Answer

A cyclist takes a turn at a speed of 40 km/h. If the speed is doubled while negotiating the same curve, how does the tendency to overturn change?

a) Doubled

b) Tripled

c) Halved

d) Quadrupled

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A coin is placed on a horizontal rotating disc at a distance of 0.1 m from the axis. If the coefficient of friction between the coin and the disc is 0.25, at what speed will the coin just begin to slip?

a) 0.5 m/s

b) 0.25 m/s

c) 1 m/s

d) 2.5 m/s

Show Answer

A string breaks under a load of 45 kg weight. A Mass of 0.1 kg is attached to a string of length 5 m and rotated in a horizontal circle. What is the maximum number of revolutions per second possible without breaking the string?

a) 4.72 rps

b) 47.2 rps

c) 472 rpm

d) 47.2 rpm

Show Answer

A car of Mass 1000 kg moves along a circular path at a constant speed of 16 m/s. It turns through an angle of 90 degrees after covering 628 m. What is the centripetal force acting on the car?

a) 160 N

b) 320 N

c) 1280 N

d) 640 N

Show Answer

We covered all the centripetal force in Hindi above in this post for free so that you can practice well for the exam.

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• Modern Physics Class 12 MCQ
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