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How much work is done by the boy pulling his sister 30.0 m
Chapter 7, Problem 6(choose chapter or problem)
How much work is done by the boy pulling his sister \(30.0 \mathrm{~m}\) in a wagon as shown in Figure \(7.36\)? Assume no friction acts on the wagon.
Figure \(7.36\) The boy does work on the system of the wagon and the child when he pulls them as shown.
Equation Transcription:
Text Transcription:
30.0 m
7.36
Questions & Answers
QUESTION:
How much work is done by the boy pulling his sister \(30.0 \mathrm{~m}\) in a wagon as shown in Figure \(7.36\)? Assume no friction acts on the wagon.
Figure \(7.36\) The boy does work on the system of the wagon and the child when he pulls them as shown.
Equation Transcription:
Text Transcription:
30.0 m
7.36
ANSWER:
Solution 6PE :
Step 1 of 2:
The goal is to find the work done by the brother to pull his sister over a distance of 30 m.
In the given problem, the assumption is no friction is acting on the wagon.
Now coming to the problem,
The force at which he is pulling is, .
The displacement is, .
The angle between the applied force and displacement is, .