Question

According to Newton's first law of motion,

a.

every body continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force

b.

the rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts

c.

to every action, there is always an equal and opposite reaction

d.

none of the above

Posted under Mechanical Engineering

Answer: (a).every body continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force

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Q. According to Newton's first law of motion,

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