Laws of Motion questions
1031 published questions with worked solutions.
- A car of mass 800 kg moves on a circular track of radius 40 m. If the coefficient of friction is 0.5, then the maximum velocity...
- The earth moves round the sun in a near circular orbit of radius 1.5 10^ 11 m. Its centripetal acceleration is
- A stone of mass 2 kg is tied to a string of length 0.5 m. If the breaking tension of the string is 900 N, then the maximum...
- In the case of uniform circular motion, which of the following physical quantities do not remain constant?
- A motorcycle is going on an overbridge of radius R. The driver maintains a constant speed. As the motorcycle is ascending on the...
- In uniform circular motion
- In uniform circular motion, the velocity vector and the acceleration vector are
- If a car is to travel with a speed v along the frictionless, banked circular track of radius r, the required angle of banking so...
- A car sometimes overturns while taking a turn. When it overturns, it is
- When a body moves with a constant speed along a circle
- A circular road of radius 1000 m has a banking angle of 45^ . The maximum safe speed of a car having mass 2000 kg will be, if the...
- If the radii of curvature of the paths of two particles of the same mass are in ratio 1:2, then in order to have a constant...
- A particle revolves around a circular path. The acceleration of the particle is
- Which of the following statements is false for a particle moving in a circle with a constant angular speed?
- A particle is moving in a horizontal circle with constant speed. It has constant
- The force required to keep a body in uniform circular motion is
- If a_r and a_t represent radial and tangential accelerations, the motion of a particle will be uniformly circular if
- A body of mass 5 kg is moving in a circle of radius 1 m with an angular velocity of 2 radian/sec. The centripetal force is
- A particle moves in a circle of radius 25 cm at two revolutions per second. The acceleration of the particle in m/s² is
- An electric fan has blades of length 30 cm as measured from the axis of rotation. If the fan is rotating at 1200 r.p.m., the...
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