Laws of Motion questions
1031 published questions with worked solutions.
- When a body is stationary [UP SEE 2003]
- A block A weighing 100 kg rests on a block B and is tied by a horizontal string to the wall at C. Block B weighs 200 kg. The...
- If the coefficient of static friction between the tyres and road is 0.5, what is the shortest distance in which an automobile can...
- The backside of a truck is open and a box of 40 kg is placed 5 m away from the rear end. The coefficient of friction of the box...
- A block of mass 2 kg rests on a horizontal surface. If a horizontal force of 5 N is applied on the block, the frictional force on...
- The coefficient of limiting friction μ is defined as
- A body is coming with a velocity of 72 km h⁻¹ on a rough horizontal surface of coefficient of friction 0.5. If the acceleration...
- A marble block of mass 2 kg lying on ice, when given a velocity of 6 ms⁻¹, is stopped by friction in 10 s. Then the coefficient...
- A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the...
- Two masses m₁ = 5 kg and m₂ = 4.8 kg tied to a string are hanging over a light frictionless pulley. What is the acceleration of...
- A body of mass 2 kg is kept by pressing it against a vertical wall by a force of 100 N. The friction between the wall and the...
- A block B is pushed momentarily along a horizontal surface with an initial velocity v. If μ is the coefficient of sliding...
- Block A of mass 2 kg is placed over block B of mass 8 kg. The combination is placed over a rough horizontal surface. Coefficient...
- A block of mass 2 kg is at rest on a floor. The coefficient of static friction between the block and the floor is 0.54. A...
- An ice cart of mass 60 kg rests on a horizontal snow patch with coefficient of static friction 1/3. Assuming there is no vertical...
- Starting from rest, the time taken by a body sliding down on a rough incline plane at 45° with the horizontal is twice the time...
- Two masses 8 kg and 12 kg are connected at the two ends of a string that goes over a frictionless pulley. Calculate the...
- A block of mass m is connected to another block of mass M by a spring (massless) of spring constant k. The blocks are kept on a...
- The minimum force required to start pushing a body up a rough (frictional coefficient μ) inclined plane is F₁ while the minimum...
- If the mass of A is 10 kg, coefficient of static friction = 0.22, coefficient of kinetic friction = 0.2, then the minimum mass of...
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