Solution Found!
A 55-kg person riding a bike puts all her weight on each pedal when climbing a hill. The
Chapter 8, Problem 22P(choose chapter or problem)
Problem 22P
A 55-kg person riding a bike puts all her weight on each pedal when climbing a hill. The pedals rotate in a circle of radius 17 cm. (a) What is the maximum torque she exerts? (b) How could she exert more torque?
Questions & Answers
QUESTION:
Problem 22P
A 55-kg person riding a bike puts all her weight on each pedal when climbing a hill. The pedals rotate in a circle of radius 17 cm. (a) What is the maximum torque she exerts? (b) How could she exert more torque?
ANSWER:
Solution 22P
a)
Step 1 of 3
We have to find the maximum torque exerted by a person who is riding a bike by putting all her weight on each pedal when climbing a hill.
The torque exerted by a person can be calculated using the expression,
Where,
lever arm
= 17 cm = 0.17 m
Force exerted by the
biker in N