Question: Block A in the figure is heavier than block B and is sliding down the incline. All surfaces have friction. The rope is massless, and
Block A in the figure is heavier than block B and is sliding down the incline. All surfaces have friction. The rope is massless, and the massless pulley turns on frictionless bearings. The rope and the pulley are among the interacting objects, but you'll have to decide if they're part of the system.
Draw a free-body diagram for the block A.
Forces include: Normal force from A on B, Normal force B on A, Force of friction A on B, Force of Gravity, Tension
Draw a free-body diagram for the block B.
Forces include: Force of friction B on A, Normal Force of incline on A, Normal Force of B on A, Force of Gravity, Tension, Force of friction between B and A.
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To draw the freebody diagrams for blocks A and B we need to account for all the forces acting on eac... View full answer

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