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An object moves a distance of 10 metres due to a force pushing it to the right. How much work is done on the object in the direction, which is perpendicular to the direction off travel?



A. 20 Joules
B. 10 Joules.
C. No work is done.
D. Same amount in all directions.
E. 300 Joules.

This question is part of OCR P4 21st Century Quiz. Potential Energy, Kinetic Kinergy
Asked by Oguzhan, Last updated: Feb 16, 2020

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2 Answers

John Adney

John Adney

Answered Mar 20, 2017

No work...
W = (Fcosθ)d ; W=work, F=force, d=distance/displacement
...
its prerpendicular so cosine 90° = 0 then multiply so W = 0
No Work...
 

John Smith

John Smith

Answered Mar 05, 2017

No work is done.
 

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