Laws of Motion questions
1031 published questions with worked solutions.
- A simple spring has length ' ' and force constant 'K' is cut in to two springs of length ' _1' and ' _2' such that _1=n _2 (n is...
- A machine gun fires bullets of mass 30g with velocity of 1000 m/s. The man holding the gun can exert a maximum force of 300 N on...
- A particle moves around a circular path of radius 'r' with uniform speed 'V'. After moving half the circle, the average...
- On dry road, the maximum speed of a vehicle along a circular path is 'V'. When that road becomes wet, maximum speed becomes V 2 ....
- A sting of length 'L' fixed at one end carries a body of mass 'm' at the other end. The mass is revolved in a circle in the...
- A car of mass m is crossing the convex bridge of radius of curvature R with speed V. At the highest point the thrust is (g =...
- A particle at rest starts moving with constant angular acceleration ' ' in a circular path of radius 'r'. At certain instant, the...
- A particle describes a horizontal circle of radius 'r' in conical funnel with smooth inner surface with a speed of 0.5m/s. The...
- A particle is moving with constant angular acceleration 4 rad/s^2 in circular path. At what time the magnitudes of its tangential...
- The linear speed of a particle at the equator of the earth due to its spin motion is 'V'. The linear speed of the particle at...
- A body performing uniform circular motion of radius 'R' has frequency 'n'. Its centripetal acceleration per unit radius is...
- A particle starting from rest moves along the circumference of a circle of radius 'r' with angular acceleration ' '. The...
- A machine gun fires a bullet of mass 40g with a speed of 600 ms^ -1 . The person holding the gun can bare maximum force of 168N...
- A body moves along a circular path of diameter 30 cm. It starts from one end of diameter, moves along the circular path and...
- A stone of mass 40 g is tied to a light inextensible string of length 50 cm and whirled in a vertical circle at the rate of 30...
- Two stones of masses m and 3 m are whirled in horizontal circles, the heavier one in a radius r 3 and the lighter one in radius...
- A force acting on a body of mass 5 Kg is (4 i -2 j +3 k ) N. If the body is initially at rest then the magnitude of its velocity...
- For a particle moving in a circle with constant angular speed, which of the following statements is 'false' ?
- A particle completes 2 revolutions in a circular path of radius 3 cm. The angular displacement of the particle will be (in radian)
- The weight of man in lift moving in upward direction with an acceleration 'a' is 660 N. When the lift moves in the downward...
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