Laws of Motion questions
1031 published questions with worked solutions.
- A block moving on a surface with velocity 20 ms⁻¹ comes to rest because of surface friction, over a distance of 40 m, with g = 10...
- A uniform metal chain is placed on a rough table such that one end of the chain hangs down over the edge of the table. When...
- A smooth block is released at rest on a 45° incline and then slides a distance d. The time taken to slide is n times as much to...
- A block of base 10 cm × 10 cm and height 15 cm is kept on an inclined plane. The coefficient of friction between them is √3. The...
- A block is kept on a frictionless inclined surface with angle of inclination α. The incline is given an acceleration a to keep...
- An ice cube is kept on an inclined plane of angle 30°. The coefficient of kinetic friction between the block and the incline...
- If a block slides down a plane inclined at 30° with the horizontal with constant velocity, the coefficient of friction between...
- A block is kept on an inclined plane of inclination θ and length l. The velocity of the particle at the bottom of the incline is...
- A block rests on a rough inclined plane making an angle of 30° with the horizontal. The coefficient of static friction between...
- Force required to move a mass of 1 kg at rest on a horizontal rough plane (μ = 0.1 and g = 9.8 ms⁻²) is
- The minimum force required to move a body up an inclined plane is three times the minimum force required to prevent it from...
- A coin of mass 10 g is placed over a book of length 50 cm. The coin is on the verge of sliding when one end of the book is lifted...
- **Statement 1:** A frame of reference which is moving with uniform acceleration is a non-inertial frame of reference. **Statement...
- **Statement 1:** Use of ball bearings between two moving parts of a machine is a common practice. **Statement 2:** Ball bearings...
- A block of mass 4 kg is kept on a rough horizontal surface. The coefficient of static friction is 0.8. If a force of 19 N is...
- A lift is moving upwards with a uniform velocity v, in which a block of mass m is lying. The frictional force offered by the...
- A machine gun mounted on a 2000 kg car on a horizontal frictionless surface fires 10 bullets per second. If 10 g is the mass of...
- A block of weight 5 N is pushed against a vertical wall by a force of 12 N. The coefficient of friction between the wall and the...
- Two blocks of masses m₁ = 4 kg and m₂ = 2 kg are connected to the ends of a string which passes over a massless, frictionless...
- Block A of mass 2 kg is placed over a block B of mass 8 kg. The combination is placed on a rough horizontal surface. If g = 10...
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