Question

A car is traveling down a straight stretch of highway at 90 kilometers per hour. The driver suddenly slams on the brakes and brings the car to a quick stop. As a result, the unbelted passengers will at first:
a. continues to move forward in a straight line.
b. Come to a stop at the same time as the car.
c. Be pushed against the door on the passenger side.
d. Be pushed against the back of the seat.

Answer 1

Answer:

Option A

Continues to move forward in a straight line

Explanation:

From the law of inertia, a body at rest or in motion motion at a constant speed maintains its state in a straight line unless acted upon by a force. In this case, all people in the car are moving at the speed of car of 90 km/h and when braking force is applied, the unbelted passengers will continue moving forward in a straight line. That's why it's advisable for all passengers in a car to fasten their safety belts.

Answer 2

Answer:

continue to move forward in a straight line.

Explanation: