A 6.0-kg block initially at rest is pulled to the right along a horizontal surface with a force of 12 N. The force of kinetic friction is 3N.
a. Draw a free-body diagram of the situation.
b. Find the work done by the 12 N force on the block to move the block 3m?
c. Find the work done by the force of friction on the block when the block was moved 3m?
d. Use the work-energy principle to find the speed of the block after it has moved 3.0 m.
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