Question

1. Two blocks are stacked on a frictionless table as shown in the figure below. Block A has a mass of mA, and block B has a mass of mB. There is friction between the blocks. A force, F, is applied to block B at an angle of ? above the horizontal. The two blocks move together, speeding up at a constant rate and without slipping relative to each other. a. [10 points] Draw free-body diagrams for blocks A and B below. Clearly label all forces. b. [6 points] For each force on your free-body diagram for block A, identify the corresponding force that completes the Newton's 3rd Law pair with it. Briefly explain how you decided your answers.

          1. Two blocks are stacked on a frictionless table as shown in the figure below. Block A has a mass of mA, and block B has a mass of mB. There is friction between the blocks.

A force, F, is applied to block B at an angle of ? above the horizontal. The two blocks move together, speeding up at a constant rate and without slipping relative to each other.

a. [10 points] Draw free-body diagrams for blocks A and B below. Clearly label all forces.

b. [6 points] For each force on your free-body diagram for block A, identify the corresponding force that completes the Newton's 3rd Law pair with it. Briefly explain how you decided your answers.

1. Two blocks are stacked on a frictionless table as shown in the figure below. Block A has a mass of mA, and block B has a mass of mB. There is friction between the blocks.

A force, F, is applied to block B at an angle of ? above the horizontal. The two blocks move together, speeding up at a constant rate and without slipping relative to each other.

a. [10 points] Draw free-body diagrams for blocks A and B below. Clearly label all forces.

b. [6 points] For each force on your free-body diagram for block A, identify the corresponding force that completes the Newton's 3rd Law pair with it. Briefly explain how you decided your answers.

Added by Scott G.

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