An object of weight 15.0 N is pulled along a horizontal surface at a constant velocity of $2.00m{s^{ - 1}}$.
The force pulling the object is 12.0 N at ${30.0^ \circ }$ to the horizontal, as shown.
What is the power used to move the object?
1 )
12.0 W
20.8 W
3 )
24.0 W
4 )
30.0 W
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