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- In your case, when a gun is fired, it exerts a forward force on the bullet (action). The bullet exerts an equal and opposite force on the gun (reaction). This results in the recoil of the gun.
- If it’s said that the forces are equal in magnitude, then shouldn’t the acceleration of the recoil of the gun be the same as that of the bullet?
- According to this law, forces always come in pairs. These forces are always equal in magnitude but opposite in direction. These forces act on different objects and never on the same object.
- In your case, when the gun is fired, it exerts a forward force on the bullet. The bullet exerts and equal and opposite force on the gun. This results in the recoil that pushed you back.
- Oh, okay. But how does this relate to our scenario?
- No, even though the action and reaction forces are equal in magnitude, these forces may not produce accelerations of equal magnitudes. This is because each force acts on a different object that may have a different mass.
- Yes Sam, I’ve got a good aim. I’m going for it.
- In your case, since the gun has a much greater mass than the bullet, the acceleration of the gun is much less than the acceleration of the bullet.
- According to this law, the forces always come in pairs. They are always equal in magnitude but opposite in direction. These forces act on different objects and never on the same object.
- Oh wow! I never knew any of that. Thank you Sam!
- Newton’s Third Law of Motion? What is that?
- Oh alright! So, what does the Third Law state?
- Jack, that’s a good bird! Aim and fire, quick! Before it flies away.
- Nice shot Jack!
- Nice shot Jack!
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