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A certain machine exerts a force of 200 newtons on a box whose mass is 30 kilograms. The machine moves the box a distance of 20 meters along a horizontal floor. What amount of work does the machine do on the box?
Ans:
4000 joules amount of works done on the box of the machine.
It is the force that the field would exert on any unit magnetic pole placed in the field. It is also known as magnetic force.
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