princessmarwa19
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  • 29-11-2017
  • Physics
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A force of 25 N moves a box a distance of 4 m in five seconds the work done in the box is___Nm and the power is___Nm/s
Use numerals instead of words plzzzz

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  • 29-11-2017
Work done on the box = force x displacement = 25 x 4 = 100 Nm. 
Power is rate at which work is done.
∴ Power = Work done on the box/time = 100/5 = 20 Nm/s
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