The air vessel, in a reciprocating pump, is a cast iron closed chamber having an opening at its base.

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

Answer: Option A

Explanation:

No answer description available for this question.