Question

Explain, using Newton's second law, why a hunter always presses the button of a
rifle tightly against his shoulder before firing.
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Answer 1

Explanation

according to Newton's second law ,an object that gets launched with much force in a direction gives a thrust back.So in order for the rifle not to lose its position he holds it tightly when he shots

Answer 2

Answer:

objects and systems with constant mass,the second law can be re-stated in terms of an object's acceleration.

F= dp/dt

F= d(mv)/dt

= m dvt/dt

F= ma

where F is the net force applied, m is the mass of the body, and a is the body's acceleration. Thus, the net force applied to a body produces a proportional acceleration.

so the more acceleration he gives on pressing button more the net outcome force.

The rate of acceleration is directly proportion to net force.