Answer to Question #106974 in Mechanics | Relativity for moaza

Question #106974

A student exerts a force of 140 N at an angle of 30 above the horizontal on a box and causes it to move 2.5 m horizontally.what is the work done on the box?

Expert's answer

"W=Fs\\cos{30}"

"W=(140)(2.5)\\cos{30}=303\\ J"

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