Laws of Motion questions
1031 published questions with worked solutions.
- **Statement 1:** During a turn, the value of the centripetal force should be less than the limiting force of friction....
- **Statement 1:** Improper banking of roads causes wear and tear of tyres. **Statement 2:** The necessary centripetal force is...
- A particle moves with constant angular velocity in a circular path of a certain radius and is acted upon by a certain centripetal...
- A particle performs uniform circular motion under a centripetal force F=m ^2r. If the angular velocity is kept the same but the...
- Roads are banked on curves so that
- A particle does uniform circular motion in a horizontal plane. The radius of the circle is 20 cm. The centripetal force acting on...
- For a body moving in a circular path, a condition for no skidding, if is the coefficient of friction, is
- A particle performs uniform circular motion under a centripetal force F=m ^2r, with original radius R. If the centripetal force F...
- A car is travelling with linear velocity v on a circular road of radius r. If it is increasing its speed at the rate of a m/s²,...
- An athlete throws a discus, starting from rest, to a final angular velocity of 15 rad/s in 0.270 s before releasing it. During...
- Identify the increasing order of the angular velocities of the following: 1. Earth rotating about its own axis 2. Hour's hand of...
- A motor is rotating at a constant angular velocity of 500 rpm. The angular displacement per second is
- When the angle of inclination of an inclined plane is , an object slides down with uniform velocity. If the same object is pushed...
- A particle of mass M is moving in a horizontal circle of radius R with uniform speed v. When it moves from one point to a...
- Two blocks m_1 and m_2 (m_2>m_1) are connected with a spring of force constant k and are inclined at an angle with the...
- A machine gun fires 120 shots per minute. If the mass of each bullet is 10 g and the muzzle velocity is 800 ms⁻¹, the average...
- A machine gun fires a steady stream of bullets at the rate of n per minute into a stationary target, in which the bullets get...
- In a two-block system, an initial velocity v (with respect to the ground) is given to block A (on top of rough block B, which...
- A wheel starts from rest and acquires a rotational speed of 240 rps in 2 min. Its acceleration is
- A particle starts from rest with an acceleration of 2 rad s⁻² in a circle of radius 2 m. Its linear speed after 6 s is
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