How much work does a pulling force of 40 N do on the 20 Kg box in pulling it 8 m across the smooth floor at a constant speed. The pulling force is directed at 60 degree above the horizontal

Options :
  1. 160 J
  2. 170 J
  3. 180 J
  4. 234 J
Answer and Explanation :-

Answer: Option 1

Explanation:

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