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Box is pushed up a slope with increase in KE and work done against friction.

Evan Toh
Sep 8
1 min read

Updated: Sep 9

For such questions, it is useful to understand conservation of energy.

Work done by the pushing force = GPE + KE + work done against friction

Answer: (a) 8.0J (b) 200 J (c) 464 J (d) 0.18 m/s2

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