# Average Power

A sled of mass m is being pulled horizontally by a constant upward force of magnitude F that makes an angle theta with the direction of motion. The coefficient of kinetic friction is mu_k. The average velocity of the sled is v_avg.

Find the average power P_avg created by force F.

Express your answer in terms of F, theta, and v_avg.

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#### Solution Preview

The force applied in the horizontal direction is given by

F_x = F ...

#### Solution Summary

Step by step computation of average power P_avg is shown.

$2.19