A moving company is called into a building and asked to relocate 520 bricks to a location 15 meters above the ground. If each brick is 4 kilograms, what amount of work will be needed to accomplish the task? A. 305,760 J B. 229,320 J C. 203,840 J D. 588,000 J

Question

Halle Shelton

Chemistry

7 January, 02:04

A moving company is called into a building and asked to relocate 520 bricks to a location 15 meters above the ground. If each brick is 4 kilograms, what amount of work will be needed to accomplish the task? A. 305,760 J B. 229,320 J C. 203,840 J D. 588,000 J

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Alyssa Newman · Answer 1

Work = Force * distance (aka Weight * height lifted)

Work to lift 1 brick:

W = mgh = (4 kg) (9.8 m/s²) (15 m) = 588 J

Work to lift 520 bricks:

W = 520 (588 J) = 305,760 J