Laws of Motion questions
1031 published questions with worked solutions.
- The angular speed of a fly wheel moving with uniform angular acceleration changes from 1200 rpm to 3120 rpm in 16 seconds. The...
- A particle moving with uniform speed in a circular path maintains :
- A 0.5 kg mass is in contact against the inner wall of a cylindrical drum of radius 4 m rotating about its vertical axis. The...
- A particle is rotating in a circular path and at any instant its motion can be described as = 5t^4 40 - t^3 3 . The angular...
- The time taken by a block of mass m to slide down from the highest point to the lowest point on a rough inclined plane is 50%...
- At t=0, a body of mass 100 g starts moving under the influence of a force (5î+10ĵ) N. After 2 s its position is (2xî+5yĵ) m. The...
- A mass of 1 kg is kept on an inclined plane with 30° inclination with respect to horizontal plane and it is at rest initially....
- A block takes t time to slide down a plane inclined at 45° to the horizontal. If the surface is made smooth (frictionless), the...
- A car moving with a speed of 54 km/h takes a turn of radius 20 m. A simple pendulum is suspended from the ceiling of the car....
- A football player is moving southward and suddenly turns eastward with the same speed to avoid an opponent. The force that acts...
- The angular acceleration of a body, moving along the circumference of a circle, is :
- Calculate the maximum acceleration of a moving car so that a body lying on the floor of the car remains stationary. The...
- Given below are two statements: Statement (I): When currents vary with time, Newton's third law is valid only if momentum carried...
- Given below are two statements: Statements (I) : The limiting force of static friction depends on the area of contact and...
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The...
- A train is moving with a speed of 12 m/s on rails which are 1.5 m apart. To negotiate a curve of radius 400 m, the height by...
- A stone of mass 900 g is tied to a string and moved in a vertical circle of radius 1 m making 10 rpm. The tension in the string,...
- A particle is moving in a circle of radius 50 cm in such a way that at any instant the normal and tangential components of it's...
- A block of mass 100 kg slides over a distance of 10 m on a horizontal surface. If the co-efficient of friction between the...
- A block of mass m is placed on a surface having vertical cross-section given by y = x²/4. If coefficient of friction is 0.5, the...
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