تم الحل ✓
categoryالفيزياء
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
Knowledge
12/16/2019
points) Clearly circle the solution that you think best answers the question. You are is
couraged to use techniques from class to help solve these problems. If your solution circle is
too difficult to read, please write the solution choice next to the question that it answers. For
two points extra credit, you may DAP of your favorite physics topic, on the back of the cover
page. Each problem is worth three points.
(a) Which of the following statements about turning your car is false?
i. When turning your car, without skidding, your car has a component of static friction
between the tires and the road acting on it and pointed in the direction of the turn
ii. When turning your car you must have an external force acting on your body, in the
direction of the turn.
iii. There is always an external force supplying acentrifugal force on your car, while you
turn.
iv. There is always an external force supplying acentripetal force on your car, while you
turn.
v. All of the statements are true.
(b) A 100 kg man is standing 1 m from the edge of a plank that is illustrated below. The plank
is 800 kg, uniform and 10m long with a cable that is 1.5m away from the left side of the
plank. Determine the tension in the wire.
i. 10032 N
ii. 16023 N
iii. 32046 N
iv. 48069 N
v. There is not enough information to solve the problem.
1.5 m
Cable
CFSE!
Page 4 of 10
100 kg
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