Laws of Motion and Gravitation
- Balanced force: If the total force acting on a body cancels out such that there is no change in state of motion or of rest. The forces are said to be balanced.
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The normal reaction N balances the force due to gravity, hence no movement of the block on the table.
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- Unbalanced force: A net force acts on the body. This is the reason of change in state of motion or of rest.
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The normal reaction N balances the weight, so there is no movement in vertical direction, but there will be movement along the horizontal (towards right) if the external pull Fa exceeds the fric… |
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