Question

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Answer 1

4)law of inertia

Inertia is the reason that people in cars need to wear seat belts. ... Instead, the riders continue moving forward with most of their original speed because of their inertia. If the driver is wearing a seat belt, the seat belt rather than the windshield applies the unbalanced force that stops the driver's forward motion.

5)Your bicycle is the mass. ... When you push on the pedals, your bicycle accelerates. You are increasing the speed of the bicycle by applying force to the pedals. Newton's Second Law also says that the greater the mass of the object being accelerated, the greater the amount of force needed to accelerate the object

Answer 2

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