Introductory Physics Worksheet With Answers - Mcas Review Packet #1 - Nnhs Page 6
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NNHS Introductory Physics: MCAS Review
Packet #1
1. Motion and Forces
Broad Concept: Newton’s laws of motion and gravitation describe and predict the motion of
most objects.
9.) The position-time graph below shows the
10.) Which of the following cars is NOT
motion of three people. Which person is
accelerating?
accelerating?
A. A car that is slowing down to a stop at a red
Position versus Time for Three People
light.
B. A car that is traveling at a constant speed
around a sharp curve.
B
C. A car that is speeding up as it passes another
car on the highway.
D. None of the above. All of the cars described
are accelerating.
A
C
Time (s)
A. Person A is accelerating.
B. Person B is accelerating.
C. Person C is accelerating.
D. None of the people are accelerating.
My Answer and Explanation:
My Answer and Explanation:
C. A curved line on a position-time
D. All of the cars are accelerating. Car
graph shows someone who is
A has a changing speed. Car B has a
accelerating. The curved line has a
changing direction and Car C has a
changing slope and thus a changing
changing speed. Acceleration can be a
speed. (Note: In this case person C is
change in speed, a change in direction,
speeding up since the slope is getting
or a change in both.
steeper and steeper.)
Correct Answer and Explanation:
Correct Answer and Explanation:
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