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Physics, 29.07.2020 18:01 Mlpgirl233

A block of mass m sits at rest on a rough inclined ramp that makes an angle θ with the horizontal. What must be true about force of static friction f on the block? Select one: A. f = mg sin θ B. f > mg cos θ C. f > mg sin θ D. f = mg cos θ E. f > mg

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