Work and Energy intro

Interactive Video
•
Physics
•
8th - 10th Grade
•
Medium
Susana Alfaro Martinez
Used 23+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When does work happen?
When force causes an object to move or be displaced
When you study for your Physics test
Every time you apply force
Alway
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is needed in order for work to be done?
acceleration
velocity
mass
movement at a constant speed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit for work?
Newton
Newton-meter
Joule
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Joule equal to?
Newton*meter
meter per second squared
kilometer per hour
kilogram-meter squared per second squared
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Would work be done if she held the box for a really long time?
Yes because it would get really tiring to hold the box up for a long time
No, because Physics is really mean, and doesn't care how tired her arms get
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can you ever do less than zero work?
Yes, when the force is opposite to the direction of motion
Yes, when you drop the object
No, work is always positive. That's why we whistle while we work.
No, it is conceptually impossible to do less than zero work.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When is no work done?
When motion is perpendicular to force
When motion is parallel to force
So many sarcastic responses came to mind that I couldn't choose one...
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