Understanding Check: Work and Power
Authored by Cereese Stewart
Science
8th Grade
NGSS covered
Used 3+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Arjun pushes a box across the floor with a constant force. Which of the following best defines the "work" Arjun does in physics?
The amount of energy stored in the box
The product of force and the distance moved in the direction of the force
The rate at which energy is transferred
The force applied to the box at rest
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Benjamin is measuring the rate at which his new blender uses energy while making a smoothie. What is the SI unit of power that Benjamin should use to record this measurement?
Joule
Watt
Newton
Meter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scarlett pushes a box with a constant force in the direction it moves. Which of the following is the correct formula to calculate the work done by Scarlett?
Tags
NGSS.MS-PS3-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tags
NGSS.MS-PS3-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Emma lifts a box onto a shelf and wants to understand the difference between work and power. Which of the following statements correctly compares work and power?
Work is the rate at which power is done.
Power is the rate at which work is done.
Work and power are measured in the same units.
Power is always greater than work.
Tags
NGSS.MS-PS3-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
DRAG AND DROP QUESTION
30 sec • 1 pt
2 W
0 W
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