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Q17CQ
Expert-verifiedDescribe a situation in which one system exerts a force on another and, as a consequence, experiences a force that is equal in magnitude and opposite in direction. Which of Newton’s laws of motion apply?
The firing of a bullet through a rifle is an example where Newton’s Third Law of Motion comes into the picture.
Newton’s Third Law of Motion states that whenever a body exerts a force on another body, the first body experiences a force that is equal in magnitude and opposite in direction to the force that it exerts.
Take the case of firing through a rifle. When the bullet is fired, the rifle pushes forward on the bullet through a gunpowder explosion. As the rifle pushes the bullet, the bullet pushes backward upon the rifle. So, the bullet and the rifle form an action-reaction pair.
In the above case, the force exerted by the rifle on the bullet is exerted back by the bullet, which is equal in magnitude but opposite in direction.
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