Question 4

What is the work done by the rope to move mass M a distance of 5 m? The force exerted by the child is 2 N and makes an angle of 60 degrees with the horizontal.

• A.    5 J
• B.    10 J
• C.    20 J
• D.    8.7 J
• E.    Not close to any of the above

Formula Sheet

Question 3

Question 5

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