Which elements are necessary to accomplish work?

a) force, energy, displacement
b) energy, cause, displacement
c) force, cause, energy
d) force, cause, displacement

The elements that are necessary to accomplish work are d) force, cause, displacement

Explanation:

Work is defined as the force that is applied on a body to move it from one point to another.

When a net force is applied to the body or a system and this produces displacement, then that force is said to perform mechanical work. This work can be positive if the system gains energy or negative if the system loses energy.

In the International System of Units, work is measured in Joule. Joule is equivalent to Newton per meter.

The work is equal to the product of the force by the distance and by the cosine of the angle that exists between the direction of the force and the direction that travels the point or the object that moves.

Then three elements are necessary to perform a job: strength, displacement and cause. For a force to perform work on an object, there must be a displacement and the force must cause the displacement.

So the elements that are necessary to accomplish work are d) force, cause, displacement.

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