a) The free-body diagram for system A:
Fn = Normal force, fr = friction force, FAB = force of B on A, and m1m2g = weight of m1 and m2
A hand pushes three identical bricks as shown. The bricks are moving to the left and speeding up. System A consists of two bricks stacked together. System B consists of a single brick. System C consists of all three bricks. There is friction between the bricks and the table.
a) Draw and label separate free-body diagrams for systems A and B.
b) The vector representing the acceleration of system A is shown below. Draw the acceleration vectors for systems B and C using the same scale (shown incorrectly in figure). Explain.
c) The vector representing the net force on system A is shown below. Draw the net force vectors for systems B and C using the same scale. Explain.
d) The vector representing the frictional force on system A is shown below. Draw the remaining force vectors using the same scale.
Explain how you knew to draw the force vectors as you did.
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What scientific concept do you need to know in order to solve this problem?
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