work, power, machines QUIZ
Quiz
•
Physics
•
9th Grade
•
Practice Problem
•
Medium
+10
Standards-aligned
Emma Hobbs
Used 1+ times
FREE Resource
Enhance your content in a minute
30 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A machine is defined as an object that makes work easier by changing the __________,_________, OR ___________ (Select ALL that apply) over which a force is applied.
Tags
NGSS.MS-ETS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If Priya lifts a 10 N object 2 meters, how much work is done?
A. 5 J
B. 20 J
C. 12 J
D. 8 J
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Daniel is building a treehouse and needs to lift heavy wooden planks. He has access to several tools. Which of the following is not one of the six simple machines that could help him?
A. Lever
B. Pulley
C. Engine
D. Wedge
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Power is defined as:
Tags
NGSS.MS-PS3-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Evelyn is working on a science project where she needs to measure the power of a small motor. What is the SI unit for power?
A. Joule
B. Pascal
C. Newton
D. Watt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which simple machine is found at the tip of a knife?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jackson is using a shovel to dig a hole in his backyard. The shovel is an example of a:
A. First-class lever
B. Second-class lever
C. Third-class lever
D. Pulley system
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