Abox 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? assume the ramp has negligible friction.

The work done by the ramp against the force of gravity is -343 J

Explanation:

Work is defined as the force that is causing the movement or displacement of an object.

Mathematically,

We know that:

where,

W = work done by the ramp = ?

m = mass of the box = 7 kg

g = acceleration due to gravity =    (Negative sign appears because it is acting against the gravity)

d = displacement = 5 m

Putting values in above equation, we get:

Hence, the work done by the ramp against the force of gravity is -343 J

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