Laws of Motion questions
1031 published questions with worked solutions.
- A gramophone turn table, rotating at 75 rpm, slows down uniformly and stops in 5 s after the motor is turned off. Its angular...
- If a cycle wheel of radius 4 m completes one revolution in two seconds, the (centripetal) acceleration of a point on the cycle...
- If linear velocity is constant, then angular velocity is proportional to
- The direction of the angular velocity vector is along
- In which case is the application of angular velocity useful?
- A mass is revolving in a circle in the plane of the paper. The direction of angular acceleration is
- The wheel of a car is rotating at the rate of 1200 revolutions per minute. On pressing the accelerator for 10 seconds, it starts...
- A flywheel gains a speed of 540 r.p.m. in 6 sec. Its angular acceleration will be
- A wheel is rotating at 900 r.p.m. about its axis. When the power is cut off, it comes to rest in 1 minute. The angular...
- A wheel of moment of inertia 5 10^ -3 ,kg - m^2 is making 20 revolutions per second. It is stopped in 20 seconds. The angular...
- If the equation for the displacement of a particle moving on a circular path is given by =2t^3+t, where is in radians and t in...
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