Question

Calculate work done in pushing a cart through distance of 50m against the force of friction equal to 250N. Also state the type of work done??

Answer 1

work = force × displacement
       = 250N × 50m
       = 12500 J
the work done is negative because the force of friction and displacement are acting in the opposite direction.

Answer 2

Answer:

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work = force × displacement

       = 250N × 50m

       = 12500 J

• the work done is negative because the force of friction and displacement are acting in the opposite direction.