Laws of Motion questions
1031 published questions with worked solutions.
- A block starts moving up an inclined plane of inclination 30º with an initial velocity of v_0. It comes back to its initial...
- A light planet is revolving around a massive star in a circular orbit of radius R with a period of revolution T. If the force of...
- A cricket player catches a ball of mass 120 g moving with 25 m/s speed. If the catching process is completed in 0.1 s, then the...
- A body of mass 4 kg experiences two forces F_1 = 5 i + 8 j + 7 k and F_2 = 3 i - 4 j - 3 k. The acceleration acting on the body...
- A ball of mass 0.5 kg is a string of length 50 cm. The ball is rotated on a horizontal circular path about its vertical axis. The...
- A 2 kg brick begins to slide over a surface which is inclined at an angle of 45° with respect to horizontal axis. The...
- A wooden block of mass 5kg rests on soft horizontal floor. When an iron cylinder of mass 25 kg is placed on the top of the block,...
- A man carrying a monkey on his shoulder does cycling smoothly on a circular track of radius 9m and completes 120 revolutions in 3...
- A heavy box of mass 50 kg is moving on a horizontal surface. If co-efficient of kinetic friction between the box and horizontal...
- A light string passing over a smooth light pulley connects two blocks of masses m_1 and m_2 (where m_2 > m_1). If the...
- A particle of mass m is fixed to one end of a light spring having force constant k and unstretched length . The other end is...
- A car of 800 kg is taking turn on a banked road of radius 300 m and angle of banking 30°. If coefficient of static friction is...
- A body of weight 200 N is suspended from a tree branch through a chain of mass 10 kg. The branch pulls the chain by a force equal...
- A player caught a cricket ball of mass 150 g moving at a speed of 20 m/s. If the catching process is completed in 0.1 s, the...
- A given object takes n times the time to slide down 45° rough inclined plane as it takes the time to slide down an identical...
- A spaceship in space sweeps stationary interplanetary dust. As a result, its mass increases at a rate dM dt =bv^2(t), where v(t)...
- An insect is at the bottom of a hemispherical ditch of radius 1m. It crawls up the ditch but starts slipping after it is at...
- A clock has a continuously moving second's hand of 0.1 m length. The average acceleration of the tip of the hand (in units of ms...
- A bob is whirled in a horizontal plane by means of a string with an initial speed of rpm. The tension in the string is T. If...
- A particle moving with uniform speed in a circular path maintains :
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