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

question 27

Multiple Choice

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

---

Definitions:

Private Sector

The part of the economy that is run by individuals and companies for profit and is not state controlled.

Profit Motives

The drive to undertake activities for the purpose of making profit, often considered a primary objective in capitalism.

Kai Nielsen

A philosopher known for his work in ethics and religion, contributing to debates within these disciplines.

Health Care

A broad term that refers to the maintenance or improvement of health via the diagnosis, treatment, and prevention of disease, illness, injury, and other physical and mental impairments in people.