Question

A box is pushed 4m across a floor offering 100N resistance . Work done?​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Since box is just pushed to move it from one position to other applied force is equal to resistance force

⇒ Friction Force = Applied force = 100N

Ans(i)-

Work done by applied force =FS=100×4=400J

Ans(ii)-

Work done by friction force =FS=100×4=400J