You carry a 7.0-kg bag of groceries $1.2 \mathrm {~m}$ above the ground at constant speed across a $2.7 \mathrm {~m}$ room. How much work do you do on the bag in the process?

Name: You carry a 7.0-kg bag of groceries $1.2 \mathrm {~m}$ above the ground at constant speed across a $2.7 \mathrm {~m}$ room. How much work do you do on the bag in the process?
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Question

Quizplus · Accepted Answer

When carrying the bag at a constant speed horizontally, the force exerted is perpendicular to the direction of motion, resulting in no work done.

You Carry a 7 1.2 m1.2 \mathrm {~m}1.2 m Above the Ground at Constant Speed Across A

You Carry a 7 $1.2 \mathrm {~m}$ Above the Ground at Constant Speed Across A