A child does 350 J of work while pulling a box from the ground up to his tree house with a rope.The tree house is 8.4 m above the ground.What is the mass of the box?
A)4.3 kg
B)2.6 kg
C)3.2 kg
D)3.9 kg

Name: A child does 350 J of work while pulling a box from the ground up to his tree house with a rope.The tree house is 8.4 m above the ground.What is the mass of the box? A)4.3 kg B)2.6 kg C)3.2 kg D)3.9 kg
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Question

Quizplus · Accepted Answer

Work done = mgh350 = m * 9.8 * 8.4m = 4.3 kg

A Child Does 350 J of Work While Pulling a Box