The direction of the frictional force: O Always opposes the motion or the tendency to motion. O Is normal to the surfaces of contact. O Is in the direction of the applied force that produces the motion. ● For motion is the opposite of the direction of the frictional force opposing the tendency to motion.
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A:
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Q: Question 3 and 4
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A: Solution
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Q: If only one answer is correct, would it be A or C? Or could both be correct? Please explain.
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Q: Counterweight 200m 30 20
A:
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