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1) A driver sees a deer on the road and slams on his brakes. A passenger sitting

ID: 1405725 • Letter: 1

Question

1) A driver sees a deer on the road and slams on his brakes. A passenger sitting beside the driver without a seat belt smashes into the dashboard. The passenger did not stay in his seat because

A moving body continues in constant motion unless acted on by an outside force.

The passenger forgot about his inertia.

The driver forgot about the passenger's inertia.

Inertia played no role in this accident.

2) The U. S. army needed a weapon to stop surprise attacks by lurking enemies. They developed the 45 calibre semi-automatic pistol which fires a large slug. They needed the large slug because it has a lot of

Potential

Rotation

Length

Mass

a.

A moving body continues in constant motion unless acted on by an outside force.

b.

The passenger forgot about his inertia.

c.

The driver forgot about the passenger's inertia.

d.

Inertia played no role in this accident.

Explanation / Answer

1)

according to Newton's first law of motion

an object wants to keep it's state of motion.

hence, when brakes are applied , the passenger without seat belt will keeping moving .

a.  
A moving body continues in constant motion unless acted on by an outside force.