Laws of Motion questions
1031 published questions with worked solutions.
- A body moves with constant angular velocity on a circle. The magnitude of its angular acceleration is
- The maximum velocity (in ms^ -1 ) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction...
- If a particle covers half the circle of radius R with constant speed, then
- An object is moving in a circle of radius 100 m with a constant speed of 31.4 m/s. What is its average speed for one complete...
- A particle moves in a circle of radius 5 cm with constant speed and time period 0.2 s. The acceleration of the particle is
- The length of the second's hand in a watch is 1 cm. The change in velocity of its tip in 15 seconds is
- A particle describes a horizontal circle in a conical funnel whose inner surface is smooth, with speed 0.5 m/s. What is the...
- What is the value of linear velocity, if =3 i -4 j + k and r=5 i -6 j +6 k ?
- One end of a string of length l is connected to a particle of mass m and the other to a small peg on a smooth horizontal table....
- A proton of mass 1.6 10^ -27 kg goes round in a circular orbit of radius 0.10 m under a centripetal force of 4 10^ -13 N. Then...
- A body of mass m moves in a circular path with uniform angular velocity. The motion of the body has constant
- A 100 kg car is moving with a maximum velocity of 9 m/s across a circular track of radius 30 m. The maximum force of friction...
- A ball of mass 0.25 kg attached to the end of a string of length 1.96 m is moving in a horizontal circle. The string will break...
- A particle of mass m moves with constant speed along a circular path of radius r under the action of a force F. Its speed is
- If a cyclist moving with a speed of 4.9 m/s on a level road can take a sharp circular turn of radius 4 m, then the coefficient of...
- A cyclist goes round a circular path of circumference 34.3 m in 22 sec. The angle made by him with the vertical will be
- A bridge is in the form of a semi-circle of radius 40 m. The greatest speed with which a motor cycle can cross the bridge without...
- A body moving along a circular path of radius R, with velocity v, has centripetal acceleration a. If its velocity is made equal...
- A particle moves in a circle of radius 30 cm. Its linear speed is given by v=2t, where t is in second and v in m/s. Find out its...
- A 2 kg stone at the end of a string 1 m long is whirled in a vertical circle at a constant speed. The speed of the stone is 4...
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