Laws of Motion questions
1031 published questions with worked solutions.
- To avoid slipping while walking on ice, one should take smaller steps because of the [BHU 1999, BCECE 2004]
- A block is lying static on the floor. The maximum value of static frictional force on the block is 10 N. If a horizontal force of...
- A box is lying on an inclined plane. What is the coefficient of static friction if the box starts sliding when the angle of...
- 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 boy of mass 40 kg is climbing a vertical pole at a constant speed. If the coefficient of friction between his palms and the...
- When two surfaces are coated with a lubricant, then they [AFMC 1998, AIIMS 1999, AIIMS 2001]
- A block of 1 kg is stopped against a wall by applying a force F perpendicular to the wall. If μ = 0.2, then minimum value of F...
- A block weighing W is held against a vertical wall by applying a horizontal force F. The minimum value of F needed to hold the...
- Pulling force making an angle θ to the horizontal is applied on a block of weight W placed on a horizontal table. If the angle of...
- A lift is moving downwards with an acceleration equal to acceleration due to gravity. A body of mass m kept on the floor of the...
- Maximum value of static friction is called [BHU 1995, RPET 2000]
- An iron block of mass 5 kg is kept on a trolley. If the trolley is being pushed with an acceleration of 5 m/s², what will be the...
- Which activity is not based upon friction [MP PMT 2009, MP PMT 2010]
- On the horizontal surface of a truck (μ = 0.6), a block of mass 1 kg is placed. If the truck is accelerating at the rate of 5...
- A conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it. The coefficient of friction between them...
- The maximum speed that can be achieved without skidding by a car on a circular unbanked road of radius R and coefficient of...
- A car having a mass of 1000 kg is moving at a speed of 30 metres/sec. Brakes are applied to bring the car to rest. If the...
- Force required to move a mass of 1 kg at rest on a horizontal rough plane (μ = 0.1 and g = 9.8 m/s²) is
- A block B is pushed momentarily along a horizontal surface with an initial velocity V. If μ is the coefficient of sliding...
- A motorcyclist of mass m is to negotiate a curve of radius r with a speed v. The minimum value of the coefficient of friction so...
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