B. Write true or false for the following statements.
1. Force of friction is a consequential force.
2. Force of friction is disadvantage in moving
vehicles on the road.
3. Friction wears out moving parts of a
machine.
4. The force required to lift a mass 1 kg
in vertically upward direction is called
newton.
5. Streamlining reduces the friction between a
body and a fluid.
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