Laws of Motion questions
1031 published questions with worked solutions.
- A coin is placed on a disc. The coefficient of friction between the coin and the disc is μ. If the distance of the coin from the...
- When a body slides down from rest along a smooth inclined plane making an angle of 30° with the horizontal, it takes time T. When...
- Statement I : A cyclist is moving on an unbanked road with a speed of 7 kmh^ -1 and takes a sharp circular turn along a path of...
- A body of mass 2kg moves under a force of (2 i +3 j +5 k ) N. It starts from rest and was at the origin initially. After 4s, its...
- A block of 200 g mass moves with a uniform speed in a horizontal circular groove, with vertical side walls of radius 20 cm. If...
- A body of mass 1 kg rests on a horizontal floor with which it has a coefficient of static friction 1 3 . It is desired to make...
- A particle of mass m moves in a circular orbit under the central potential field, U(r) = -C r , where C is a positive constant....
- A body of mass 'm' is launched up on a rough inclined plane making an angle of 30° with the horizontal. The coefficient of...
- A body rotating with an angular speed of 600 rpm is uniformly accelerated to 1800 rpm in 10 sec. The number of rotations made in...
- The normal reaction 'N' for a vehicle of 800 kg mass, negotiating a turn on a 30° banked road at maximum possible speed without...
- The coefficient of static friction between a wooden block of mass 0.5 kg and a vertical rough wall is 0.2. The magnitude of...
- The circular motion of a particle with constant speed is :
- A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone makes 22...
- A light cylindrical vessel is kept on a horizontal surface. Area of base is A. A hole of cross-sectional area 'a' is made just at...
- Two identical particles of mass 1 kg each go round a circle of radius R, under the action of their mutual gravitational...
- A car is moving on a plane inclined at 30º to the horizontal with an acceleration of 10 ms^ -2 parallel to the plane upward. A...
- A force F =(40 i +10 j ) N acts on a body of mass 5 kg. If the body starts from rest, its position vector r at time t = 10 s,...
- A particle of mass m is suspended from a ceiling through a string of length L. The particle moves in a horizontal circle of...
- The coefficient of static friction between two blocks is 0.5 and the table is smooth. The maximum horizontal force that can be...
- A particle is moving with uniform speed along the circumference of a circle of radius R under the action of a central fictitious...
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