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A car is moving forward and its brakes are being applied.
Which of the following is true?
A. The car's velocity is forward, and its acceleration is
forward.
B. The car's velocity is backward, and its acceleration is
forward.
C. The car's velocity is backward, and its acceleration is
backward.
, D. The car's velocity is forward, and its acceleration is
backward. - ANSWER-D. The car's velocity is forward, and
its acceleration is backward.
A car moves forward along a horizontal road in a straight
line at constant speed. The net force on the car is
_______. - ANSWER-zero
You are pushing a file cabinet across a floor in a straight
line at a constant speed. Which of the following can you
correctly conclude about the forces acting on the file
cabinet?
A, If you were to exert twice as much force on the file
cabinet, it would slide across the floor at twice its original
speed.