Work and Power

Question 1

Which statements describe a situation in which work is being done? Select three options.

Revolt · Accepted Answer

A mover carries a box up a flight of stairs.; Wind blows a pool chair across the yard.; A weightlifter lifts a barbell off the ground.

Question 2

Question 64319

Revolt · Accepted Answer

64319

Question 3

Question 64327

Revolt · Accepted Answer

64327

Question 4

✔ ABCThey all require the same amount of work.

Revolt · Accepted Answer

A

Question 5

Question 64329

Revolt · Accepted Answer

64320

Question 6

Read each scenario below. Then select the answer choices that complete the sentences. A car engine has power than a horse because a car engine does the same amount of work in time. Yasmin and Raj each had 10 boxes of equal weight to stack next to each other on the same shelf, at the same height and in the same arrangement. Yasmin completed the task in 2 minutes, while Raj took 3 minutes to stack his boxes. Raj applied power than Yasmin because his stacking took time to do the same amount of work.

Revolt · Accepted Answer

more; Selection 1: more; Selection 2: less; Selection 3: less; Selection 4: more

Question 7

ABC✔ They all use the same amount of power.

Revolt · Accepted Answer

They all use the same amount of power.

Question 8

Question 64332

Revolt · Accepted Answer

64326

Work and Power Answers

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