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A box with a mass of 7 kilograms is pushed up a ramp to a height of 5 meters. What is the work done against the force of gravity?
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A box with a mass of 7 kilograms is pushed up a ramp to a height of 5 meters. What is the work done against the force of gravity?

User Merwann Selmani
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1 Answer

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The potential energy of the box when it gets to the top is

(mass) (gravity) (height)

= (7 kg) (9.8 m/s²) (5 m)

= 343 joules.

That's the work done against the force of gravity. Any
additional work is done against the force of friction.
User Joedragons
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7.4k points
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