Question 3 A block of mass m is initially at rest on a rough surface. Then, a force É is applied, as shown in the figure. (0 = 40.0°; m = 3.50 kg; µs = 0.40; µk = 0.25) a) Draw the free body diagram. b) Calculate the minimum force to move the block. c) If the magnitude of F is 45.0 N, express the acceleration of the block in unit vector
Question 3 A block of mass m is initially at rest on a rough surface. Then, a force É is applied, as shown in the figure. (0 = 40.0°; m = 3.50 kg; µs = 0.40; µk = 0.25) a) Draw the free body diagram. b) Calculate the minimum force to move the block. c) If the magnitude of F is 45.0 N, express the acceleration of the block in unit vector
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newton's laws
Transcribed Image Text:Question 3
A block of mass m is initially at rest on a rough surface.
Then, a force É is applied, as shown in the figure.
(0 = 40.0°; m = 3.50 kg; µs = 0.40; µk = 0.25)
a) Draw the free body diagram.
b) Calculate the minimum force to move the block.
c) If the magnitude of É is 45.0 N, express the acceleration of the block in unit vector
notation.
d) Comment on the physical dimension of the coefficient of friction?
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