SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A force of 15 newtons is used to push a box along the floor a distance of 3 meters. How much work was done?
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3 J
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45 J
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -that the work done is 15 newtons multiplied by 3 meters. This equals 60 newtons.
Detailed explanation-2: -Solution: The force applied by the pulley to lift the block is equal to the block’s weight. We can use the formula W = F x d to solve the problem: Work = 10 newtons x 5 meters = 50 newton meters ► 8.1 a.
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