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Force
When a body is placed on a table top, it exerts a force equal to its weight downward on the table top but does not move or fall.
i) Name the force exerted on the table top.
ii) What is the direction of the force?
i) Normal reaction force
ii) The force acts normal to the surface of the table top i.e., opposite to the direction of the force due to the weight of the body.
b) i) What is the S.I unit of moment of force?
S.I. unit of the moment of force is Newton x meter (Nm)
Name the factors affecting the turning effect of a body?
The factors affecting the turning effect of a body are:
i) The magnitude of a force applied.
ii) The distance of the line of action of the force from the axis of rotation.
Give any two effects of a force on a non-rigid body.
Two main effects of a force on non-rigid body are:
i) It can change the state of rest or of motion of the body.
ii) It can change the size or shape of the body.
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Mock Test Series
Mock Test Series