Answer to Question #345791 in Mechanics | Relativity for juls

Mechanics | Relativity

Question #345791

A box moves 10 m horizontally when force F=20 N is applied at an angle θ=120°. What is

the work done on the box by the force during the displacement?

Expert's answer

"W=Fd\\cos\\theta\\\\\n=\\rm 20\\: N\\times 10\\: m\\times \\cos120^\\circ=-100\\:J"

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