In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m

work done is least for force = 130 N and distance = 22 m

Explanation:

Work done is defined as the product of force applied and the distance traveled by the object.

For force = 120 N and distance = 25 m

Work = 120 x 25 = 3000 J

For force = 115 N and distance = 26 m

Work = 115 x 26 = 2990 J

For force = 130 N and distance = 22 m

Work = 130 x 22 = 2860 J

For force = 125 N and distance = 27 m

Work = 125 x 27 = 3375 J

So, work done is least for force = 130 N and distance = 22 m.

electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia

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