Science
7th - 8th Grade
Used 9+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You push against the back of your friends car that is stuck. You push and be become very tired, but the car does not move. Did you do work?
Yes, work was done
No, work wasn't done
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you increase your work and decrease your time, you will have
more power
less power
same amount of power
power rating can not be determined
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Person A and Person B are both using the same amount of work to lift something. Person A takes half as much time to do it. Who has greater power.
Person A
Person B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does one newton exerted over a distance of one meter equal?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the best example of work being done.
doing homework
lifting a box
pushing a stationary box
holding a box
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How much power is the tractor that drags a plow with a force of 500 N a distance of 10 meters in 20 seconds?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If a group of workers can apply a force of 1,000 Newtons to move a crate 20 meters, what amount of work will they have accomplished?
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