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A Bicycle Pedal Is Pushed by a Foot with a Force

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A bicycle pedal is pushed by a foot with a force of aNa - \mathrm { N } as shown. The shaft of the pedal is 12 cm12 \mathrm {~cm} long. Find the magnitude of the torque about P correct to two decimal places.  Let a=70,b=70,c=10\text { Let } a = 70 , b = 70 ^ { \circ } , c = 10 ^ { \circ } \text {. }
 A bicycle pedal is pushed by a foot with a force of  a - \mathrm { N }  as shown. The shaft of the pedal is  12 \mathrm {~cm}  long. Find the magnitude of the torque about P correct to two decimal places.  \text { Let } a = 70 , b = 70 ^ { \circ } , c = 10 ^ { \circ } \text {. }


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