Answers POP Physics 2627Lesson 2: Newton's First and Third Laws

Lesson 2: Newton's First and Third Laws Answers

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Anika asks Eva to roll a basketball and then a bowling ball to her. Which requires more force to roll, and why?

the basketball, because it has more mass and therefore more inertia

the basketball, because it has less mass and therefore less inertia

the bowling ball, because it has more mass and therefore more inertia

the bowling ball, because it has less mass and therefore less inertia

Why are more firefighters needed to help hold the fire hose when the increase of water flow increases the force of the water?

When the force of the water increases, the reaction force pushing the hose back also increases.

When the force of the water increases, the reaction force pushing the hose back decreases.

When the force of the water increases, the reaction force pushing the hose back stays the same.

Which object exerts the action force?

diver

diving board

water

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