Free Exam: Work, Power, and Simple Machines
Number of Questions in Test: 16
Number of Questions in Preview: 5
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Register nowQuestion 1
Which of the following is/are an example of work?
| Type: | Multiple response |
| Points: | 2 |
| Randomize answers: | Yes |
Question 2
[b][u]Calculate the work done:[/u][/b]
Sam and Clara are each pushing a wheel barrow around while doing yard work. Sam moves a 400 N wheelbarrow 5 meters in 15 seconds, while Clara moves a 400 N wheelbarrow 5 meters in 10 seconds. [u]How much work did Sam do on the wheelbarrow? ([i][b]w=FD[/b][/i])[/u]
Sam and Clara are each pushing a wheel barrow around while doing yard work. Sam moves a 400 N wheelbarrow 5 meters in 15 seconds, while Clara moves a 400 N wheelbarrow 5 meters in 10 seconds. [u]How much work did Sam do on the wheelbarrow? ([i][b]w=FD[/b][/i])[/u]
| Type: | Free text |
| Points: | 1 |
| Randomize answers: | No |
Question 3
[b][u]Calculate the work done:[/u][/b]
Sam and Clara are each pushing a wheel barrow around while doing yard work. Sam moves a 400 N wheelbarrow 5 meters in 15 seconds, while Clara moves a 400 N wheelbarrow 5 meters in 10 seconds. [u]How much work did Clara do on the wheelbarrow?[i]([b]w=Fd[/b])[/i][/u]
Sam and Clara are each pushing a wheel barrow around while doing yard work. Sam moves a 400 N wheelbarrow 5 meters in 15 seconds, while Clara moves a 400 N wheelbarrow 5 meters in 10 seconds. [u]How much work did Clara do on the wheelbarrow?[i]([b]w=Fd[/b])[/i][/u]
| Type: | Free text |
| Points: | 1 |
| Randomize answers: | No |
Question 4
[b][u]Calculate the work done:[/u][/b]
Sam and Clara are each pushing a wheel barrow around while doing yard work. Sam moves a 400 N wheelbarrow 5 meters in 15 seconds, while Clara moves a 400 N wheelbarrow 5 meters in 10 seconds. [u]Who did more work?[/u]
Sam and Clara are each pushing a wheel barrow around while doing yard work. Sam moves a 400 N wheelbarrow 5 meters in 15 seconds, while Clara moves a 400 N wheelbarrow 5 meters in 10 seconds. [u]Who did more work?[/u]
| Type: | Free text |
| Points: | 1 |
| Randomize answers: | No |
Question 5
[b][u]Calculate the power done:[/u][/b]
Sam and Clara are each pushing a wheel barrow around while doing yard work. Sam moves a 400 N wheelbarrow 5 meters in 15 seconds, while Clara moves a 400 N wheelbarrow 5 meters in 10 seconds. [u]How much power did Sam have? [i]Round to 1 decimal place.[/i]([b][i]P=w/t)[/i][/b][/u]
Sam and Clara are each pushing a wheel barrow around while doing yard work. Sam moves a 400 N wheelbarrow 5 meters in 15 seconds, while Clara moves a 400 N wheelbarrow 5 meters in 10 seconds. [u]How much power did Sam have? [i]Round to 1 decimal place.[/i]([b][i]P=w/t)[/i][/b][/u]
| Type: | Free text |
| Points: | 1 |
| Randomize answers: | No |