A boy pulls the sled by the rope, which makes an angle of 60 ° with the horizontal, applying a force of 40 N
| February 8, 2021 | education
A boy pulls the sled by the rope, which makes an angle of 60 ° with the horizontal, applying a force of 40 N. What is the mechanical work of the rope tension force if the sled moves 20 m?
Decision:
A = Fs * cos a = 20 * 40: 2 = 400 J
Answer: 400 J
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