Laws of Motion questions
1031 published questions with worked solutions.
- A packet of weight w is dropped with the help of a parachute and on striking the ground comes to rest with retardation equal to...
- A block is moving up an incline of inclination 60° with a velocity of 20 ms⁻¹ and stops after 2.00 s. If g = 10 ms⁻², then the...
- A plumb bob is hung from the ceiling of a train compartment. The train moves on an inclined track of inclination 30° with the...
- The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction 0.6...
- Two weights w₁ and w₂ are suspended from the ends of a light string over a smooth fixed pulley. If the pulley is pulled up with...
- A block moves down a smooth inclined plane of inclination θ. Its velocity on reaching the bottom is v. If it slides down a rough...
- An astronaut of weight Mg is in a rocket accelerating upward with an acceleration of 4g. The apparent weight of the astronaut...
- A wooden box of mass 8 kg slides down an inclined plane of inclination 30° to the horizontal with a constant acceleration of 0.4...
- Two blocks of masses 1 kg and 2 kg rest on a smooth horizontal table. When the 2 kg block is pulled by a certain force F, the...
- A stone is accelerated upward by a cord whose breaking strength is three times the weight of the stone. The maximum acceleration...
- A vehicle of mass 120 kg is moving with a uniform velocity of 108 kmh⁻¹. The force required to stop the vehicle in 10 s is
- A passenger is travelling in a train moving at 72 kmh⁻¹. His suitcase is kept on the berth. The driver of the train applies...
- A partly hanging uniform chain of length L rests on a rough horizontal table. l is the maximum possible length that can hang in...
- Two masses of 3 kg and 5 kg are suspended from the ends of an unstretchable massless cord passing over a frictionless pulley....
- A block of mass 5 kg, resting on a horizontal surface, is connected by a cord passing over a light frictionless pulley to a...
- If a body of mass m is moving on a rough horizontal surface of coefficient of kinetic friction μ, the net (combined normal and...
- A wooden block of mass 1 kg is attached to the hook of a spring balance. The spring balance is then raised with an acceleration...
- Three blocks of masses m₁, m₂ and m₃ are placed on a horizontal frictionless surface and connected in series by light strings. A...
- A mass of 3 kg descending vertically downward supports a mass of 2 kg by means of a string passing over a pulley. At the end of 5...
- When forces F₁, F₂, F₃ are acting on a particle of mass m such that F₂ and F₃ are mutually perpendicular, the particle remains...
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