A60 kg box is pushed horizontally across the floor a distance of 20 meters. the force required is 15 n. in this effort, how many joules of work are done?

300 J

Explanation:

The Work done by a Force refers to the release of potential energy from a body that is moved by the application of that force to overcome a resistance along a path with distance .

When the applied force is constant and the direction of the force and the direction of the movement are parallel, the equation to calculate it is:  

(1)

Where:

(2)

(3) This is the Work (taking into account )

explanation: in any substance/object, the particles inside it (atoms/molecules) constantly move in random directions and with random speeds (this motion is called brownian motion). as a result, the particles have some kinetic energy (which is proportional to the temperature of the substance).

explanation:

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the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement