A child applies the brakes on a bicycle by applying a downward force of 25 pounds on the pedal when the crank makes a $60 ^ { \circ }$ angle with the horizontal (see figure). The crank is 6 inches in length. Find the torque at $P$. Round your answer to two decimal places.

A)12.50 ft-lb
B)6.25 ft-lb
C)75.00 ft-lb
D)10.83 ft-lb
E)21.65 ft-lb

Question

A child applies the brakes on a bicycle by applying a downward force of 25 pounds on the pedal when the crank makes a $60 ^ { \circ }$ angle with the horizontal (see figure). The crank is 6 inches in length. Find the torque at $P$. Round your answer to two decimal places.

A)12.50 ft-lb 
B)6.25 ft-lb 
C)75.00 ft-lb 
D)10.83 ft-lb 
E)21.65 ft-lb

Quizplus · Accepted Answer

The Answer of A child applies the brakes on a bicycle by applying a downward force of 25 pounds on the pedal when the crank makes a $60 ^ { \circ }$ angle with the horizontal (see figure). The crank is 6 inches in length. Find the torque at $P$. Round your answer to two decimal places.

A)12.50 ft-lb 
B)6.25 ft-lb 
C)75.00 ft-lb 
D)10.83 ft-lb 
E)21.65 ft-lb

A Child Applies the Brakes on a Bicycle by Applying 60∘60 ^ { \circ }60∘

A Child Applies the Brakes on a Bicycle by Applying $60 ^ { \circ }$