Question

A 200N force is applied horizontally on a box of mass 50Kg which rest on a rough horizontal surface and the box moves 10m .calculate the work done on the box by the applied force

Answer 1

Answer:

W =Fd

= 200×10= 2000J

Explanation:

hope this help you

Answer 2

The work done by the applied force on the box is 2000 J or 2 k J

Explanation:

• Work done by any external source is given as the product of force applied on the given system and the displacement produced by the system when force is applied on that
• It is a scalar quantity given by the dot or scalar product of force and displacement so it do not have any direction but it do depends on the angle made between force applied and the displacement produced
• Its SI unit is same as that of energy that is J
• It is given by following expression

                 Work done = Force . displacement

                         W = F . s

Given, Force applied on the box = 200 N

Displacement produced = 10 m

=> Work = force * displacement

=> W = 200 * 10

=> W = 2000 J

or W = 2 k J

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