A Bicycle Pedal Is Pushed by a Foot with a Force

question 4

Essay

A bicycle pedal is pushed by a foot with a force of a-N as shown. The shaft of the pedal is cm long.
Find the magnitude of the torque about P correct to two decimal places.
Let N, , .

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Definitions:

Positive Reinforcement

A technique in behavior management that increases the likelihood of a behavior by associating it with positive outcomes or rewards.

Expert Power

The influence a person holds over others due to their skills or knowledge in a specific domain.

Psychological Power

The influence or control over others' beliefs, emotions, or behaviors through persuasive, charismatic, or leadership abilities, rather than through coercion or force.

Referent Power

A form of power that arises from being admired, respected, or identified with, often leading to influence due to personal traits rather than formal authority.