Q5 of 54 Page 292

Write or false for the following statements:

In any interaction, there are always at least two forces in play.

True

According to Newton’s third law to every action, there is equal and opposite reaction and thus two forces comes into play.


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Write or false for the following statements:

Impulse represents the rate of change of momentum of a body.

 4

Write or false for the following statements:

1 N is that force which produces acceleration of 1 m s-2 in a body of mass 1 g.

 6

Write or false for the following statements:

The force of friction is smaller in solids than in liquids.

 7

Write or false for the following statements:

The first law of motion is also known as Galileo’s law of inertia.