When a body falls freely under gravitational force, it possesses

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• If the body falls freely under gravity, then the gravitational acceleration is taken as
• If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton's second law of motion,
• When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as
• If the gravitational acceleration at any place is doubled, then the weight of a body will be
• If a body is thrown upwards, then the gravitational acceleration is taken as zero.
• A force acting in the opposite direction to the motion of the body is called force of friction.
• A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body
• Whenever a force acts on a body and the body undergoes a displacement, then
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• The force which acts along the radius of a circle and directed away from the centre of the circle is called centrifugal force