A force acting in the opposite direction to the motion of the body is called force of friction.

Related MCQs

• The polygon law of forces states that if a number of forces, acting simultaneously on a particle, be represented in magnitude and direction by the sides a polygon taken in order, then their resultant is represented in magnitude and direction by the closing side of the polygon, taken in opposite direction.
• 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,
• The triangle law of forces states that if two forces acting simultaneously on a particle, be represented in magnitude and direction by the two sides of a triangle taken in order, then their resultant may be represented in mangnitude and direction by the third side of of a triangle, taken in opposite order.
• A body of mass m moving with a constant velocity v strikes another body of same mass m moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
• The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by
• A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body
• The friction experienced by a body, when in motion, is known as
• Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to
• A newton is defined as the force while acting upon a mass of one kg, produces an acceleration of 1 m/s2 in the direction of which it acts.
• The total momentum of a system of masses (i.e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called