Laws of Motion questions
1031 published questions with worked solutions.
- A roller coaster is designed such that riders experience "weightlessness" as they go round the top of a hill whose radius of...
- A car is moving with speed 30 m/sec on a circular path of radius 500 m. Its speed is increasing at the rate of 2 m/sec². What is...
- A fan is making 600 revolutions per minute. If after some time it makes 1200 revolutions per minute, then the increase in its...
- For a particle in non-uniform (accelerated) circular motion,
- A small disc is on top of a hemisphere of radius R. What is the smallest horizontal velocity v that should be given to the disc...
- If the equation for the displacement of a particle moving on a circular path is given by =2t^3+0.5, where is in radians and t in...
- The angle turned by a body undergoing circular motion depends on time as = _0+ _1t+ _2t^2. Then the angular acceleration of the...
- A coin, placed on a rotating turn-table, slips when it is placed at a distance of 9 cm from the centre. If the angular velocity...
- A long horizontal rod has a bead which can slide along its length, and is initially placed at a distance L from one end A of the...
- On the centre of a frictionless table, a small hole is made, through which a weightless string of length 2l is inserted. On the...
- A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/sec. A plumb bob is suspended from...
- A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The...
- **Statement 1:** A coin is placed on a phonogram turn-table. The motor is started; the coin moves along with the rotating table....
- **Statement 1:** When an automobile going too fast around a curve overturns, its inner wheels leave the ground first. **Statement...
- **Statement 1:** A safe turn by a cyclist should neither be fast nor sharp. **Statement 2:** The bending angle from the vertical...
- **Statement 1:** When a vehicle takes a turn on the road, it travels along a nearly circular path. **Statement 2:** In circular...
- **Statement 1:** A body of mass 1 kg is making 1 rps in a circle of radius 1 m. The centripetal (centrifugal) force acting on it...
- **Statement 1:** If both the speed of a body and the radius of its circular path are doubled, the centripetal force also gets...
- **Statement 1:** In circular motion, the centripetal and centrifugal forces, acting in opposite directions, balance each other....
- **Statement 1:** Two similar trains are moving along the equatorial line with the same speed but in opposite directions. They...
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