Laws of Motion questions
1031 published questions with worked solutions.
- A man slides down a telegraphic pole with an acceleration equal to one-fourth of the acceleration due to gravity. The frictional...
- A mass of 10 kg is suspended from a string balance. It is pulled aside by a horizontal string so that it makes an angle of 60°...
- The engine of a car produces an acceleration of 6 ms⁻² in the car. If this car pulls another car of the same mass, then the...
- A block of mass M placed on a frictionless horizontal table is pulled by another block of mass m hanging vertically by a massless...
- A man of weight mg is moving up in a rocket with acceleration 4g. The apparent weight of the man in the rocket is
- A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring reads 49 N when the lift...
- With what minimum acceleration can a fireman slide down a rope whose breaking strength is 2/3 of his weight?
- A body of mass 10 kg is acted upon by two forces, each of magnitude 10 N, making an angle of 60° with each other. Find the net...
- An object of mass 5 kg is attached to the hook of a spring balance and the balance is suspended vertically from the roof of a...
- **Statement I:** A cloth covers a table. Some dishes are kept on it. The cloth can be pulled out without dislodging the dishes...
- An 80 kg person is parachuting and experiencing a downward acceleration of 2.8 ms⁻². The mass of the parachute is 5 kg. The...
- A person is sitting in a lift accelerating upwards. His measured weight will be [Manipal 2008, DCE 2008]
- A student unable to answer a question on Newton's laws of motion attempts to pull himself up by tugging on his hair. He will not...
- For ordinary terrestrial experiments, the observer is in an inertial frame of reference in which of the following cases? [UP SEE...
- A gun fires a bullet each of mass 1 g with velocity 10 ms⁻¹ by exerting a constant force of 5 g-weight. Then the number of...
- A rifle of 20 kg mass can fire 4 bullets per second. The mass of each bullet is 35×10⁻³ kg and its final velocity is 400 ms⁻¹....
- A gun fires N bullets per second, each of mass m, with velocity v. The force exerted by the bullets on the gun is
- In which of the following cases is a force not required to keep a particle in the state described? [J&K CET 2004]
- A rocket with a lift-off mass 3.5×10⁴ kg is blasted upward with an initial acceleration of 10 ms⁻². Then the initial thrust of...
- An object is kept on a smooth inclined plane of inclination "1 in l" (i.e. sinθ = 1/l). The horizontal acceleration to be...
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