You are a passenger in a race car approaching a turn after a straight-away. As t

Question

You are a passenger in a race car approaching a turn after a straight-away. As the car
turns left on the circular arc at constant speed, you are pressed against the car door.
Which of the following is true during the turn (assume the car doesn't slip on the
roadway)?

a) A centripetal force pushes you against the door.
b) There is no force that pushes you against the door.
c) The frictional force of the ground pushes you against the door.
d) There is no centripetal force acting on you.
e) You cannot analyze this situation in terms of forces on you since you are
accelerating.
f) Two of the above.
g) None of the above.

Explanation / Answer

the answer is (a). when the car turns left on the circular arc at a constant speed, a centripetal force will acting on him while he pressed against the car door.

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