Cream separator acts on the same principle of
If the bullet of mass 20 g is fired from a gun of 5 kg with a velocity of 100 ms-1 then recoil of the gun is
The acceleration that is produced by a 15N force in a mass of 8 kg will be equal to
When a net force act on a body, it produces acceleration in the body in the direction of the net force which is directly proportional to the net force acting on the body and inversely proportional to its mass. This statement is called
A body of mass 10 kg is moving with the velocity of 15 ms−1. The force required to stop it in 3 seconds should be
The quantity of motion that the body possesses due to its mass and velocity is known as
A brick of mass 100 g is attached to a rope 1m long. The brick is rotating in a circle with 5ms−1 speed. The tension in the rope will be
The property of a body due to which it resists any change in its state of rest or motion is termed as
The force of friction between a rolling body and a surface over which it rolls is called
How much centripetal force is needed to make a body of mass 0.8 kg to move in a circle of radius 40 cm with a speed 2 ms−1?
Two masses 7.5 kg and 6.7 kg are attached to the ends of an inextensible string passes over a frictionless pulley. Its tension when both masses are moving vertically will be equal to
The branch of mechanics that deals with the study of the motion of an object and the cause of its motion are called
The property due to which a body resists the change in its state is called
Mass does not change with the change of place so it is a
A bullet of mass 30 g is fired from a gun with a muzzle velocity 90ms−1. If its mass is 4 kg then the recoil of the gun will be
The acceleration produced in an 8 kg mass when a force acts on a body of 5 kg produces an acceleration of 10 ms-2 is
As weight is a force so it is a
At high speeds the friction is
The ratio of the force of limiting friction to normal reaction is
The push and pull that moves or tend to move, stops or tends to stop the motion of a body is known as
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