3. Force is one which helps to change the position of
a substance. There are different types of force.
Eg:Magnetic force
Gravitational force
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4. Helps to stop a moving body.
Helps for the motion of a stationary object.
Helps to change the direction of a moving body.
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5. Contact force: In this type the two bodies
are in contact.
Non- contact force: In this there is no any
direct contact with us.
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6. Internal Force : Which do not contribute to
the motion of objects.
External Force : Which helps to the movement
of a stationary body.
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7. Balanced Force : If equal force is acting in
opposite direction then the force is a
balanced type.
Unbalanced Force: Different force is
responsible for the unbalanced force.
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8. “Any body continues to be in a state of rest or
of uniform motion in a straight line until an
unbalanced external force is applied on it.”
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