Asked by Laura
A skier of weight 700N is pulled at constant speed up a smooth slope, of inclination 15 degrees, by a force of magnitude P N acting at 25 degrees upwards from the slope. Find the value of P.
Answers
Answered by
drwls
Since there is no acceleration or friction, the component of P along the direction of motion equals the component of the weight in the oppostie direction.
P cos25 = W sin15
Solve for P
W is the skier's weight in newtons
P cos25 = W sin15
Solve for P
W is the skier's weight in newtons
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