For numbers 4-5, refer to the figure below.
____________
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4. What are the forces acting on the above object which is at rest?
a. frictional force
b. tension force
c. force of gravity
d. both a & b
5. What causes the above object to stay at rest?
a. frictional force
b. tension force
c. force of gravity
d. both a & b
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Answer:
4B
5D
Explanation:
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