Laws of Motion questions
1031 published questions with worked solutions.
- **Statement I:** When the lift moves with uniform velocity, the man in the lift will feel weightlessness. **Statement II:** In...
- **Statement I:** A reference frame attached to the earth is an inertial frame of reference. **Statement II:** The reference frame...
- **Statement I:** Linear momentum of a body changes even when it is moving uniformly in a circle. **Statement II:** Force required...
- **Statement I:** An aeroplane is able to fly because of the lift force generated on its wings. **Statement II:** According to...
- **Statement I:** Force is required to move a body uniformly along a circle. **Statement II:** When the motion is uniform,...
- **Statement I:** Inertia is the property by virtue of which the body is unable to change by itself the state of rest only....
- A person is sitting in a travelling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be...
- A spring balance and a physical balance are kept in a lift. In these balances equal masses are placed. If now the lift starts...
- Two weights ω₁ and ω₂ are suspended from the ends of a light string passing over a smooth fixed pulley. If the pulley is pulled...
- A car is moving with uniform velocity on a rough horizontal road. Therefore, according to Newton's first law of motion
- Which one of the following is not a contact force [Kerala PET 2010]
- The engine of a jet aircraft applies a thrust force of 10⁵ N during take off and causes the plane to attain a velocity of 1...
- In the above question, the acceleration of mass m is
- A player kicks a football of mass 0.5 kg and the football begins to move with a velocity of 10 m/s. If the contact between the...
- Which one of the following is not used to reduce friction [Kerala (Engg.) 2001]
- A force of 98 N is required to just start moving a body of mass 100 kg over ice. The coefficient of static friction is
- A uniform rope of length l lies on a table. If the coefficient of friction is μ, then the maximum length l₁ of the part of this...
- A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N. The coefficient of friction between wall and body...
- If a ladder weighing 250 N is placed against a smooth vertical wall having coefficient of friction between it and the floor is...
- A 20 kg block is initially at rest on a rough horizontal surface. A horizontal force of 75 N is required to set the block in...
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