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- 1. Multiple ChoiceWhich statement about action-reaction force pairs is incorrect?They act on the same objectThey always occur in pairsThey occur at the same timeThey are equal and opposite
- 2. Multiple ChoiceThe action of swimmers using their arms to propel themselves through the water is an example of what law?Newton’s Third Law of MotionNewton's First Law of MotionNewton's Second Law of MotionLaw of Conservation of Momentum
- 3. Multiple ChoiceWhenever a force is exerted, another force occurs that is _______ in size, and ________ in direction.equal, oppositeequal, samesmaller, samesmaller, opposite
- 4. Multiple ChoiceWhen a hammer strikes a nail, the nail...exerts an equal and opposite force back on the hammer.exerts balanced forces that helps it from moving.exerts a force equal to the weight of the hammer.exerts an unbalanced force that changes its velocity.
- 5. Multiple ChoiceMany people are familiar with the fact that a rifle recoils when fired. This recoil is the result of action-reaction force pairs. A gunpowder explosion creates hot gases that expand outward allowing the rifle to push forward on the bullet. Consistent with Newton's third law of motion, the bullet pushes backwards upon the rifle. The acceleration of the recoiling rifle is ...smaller than the acceleration of the bullet.greater than the acceleration of the bullet.the same size as the acceleration of the bullet.Monty the snake is slower than the bullet.
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