Question 1
The apparent weight of a fish in an elevator is greatest when the elevator
◦
moves downward at constant velocity.
◦
moves upward at constant velocity.
◦
accelerates downward.
◦
accelerates upward.
◦
is not moving.
Question 2
The block shown is pulled across the horizontal surface at a constant speed by the force shown. If
M = 5.0 kg,
F = 14 N and
θ = 35
°, what is the coefficient of kinetic friction between the block and the horizontal surface?
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)
◦
0.44
◦
0.33
◦
0.38
◦
0.28
◦
0.17