Systems and Machines Review
Authored by Yan Vojtek
Science
8th Grade
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which of these is NOT a simple machine?
Pulley
Wheel
Door
Lever
2.
FILL IN THE BLANKS QUESTION
10 sec • 1 pt
What is the unit of work done?
(a)
3.
FILL IN THE BLANKS QUESTION
10 sec • 1 pt
A special type of wheel that is toothed is called a ...
(a)
4.
FILL IN THE BLANKS QUESTION
20 sec • 1 pt
A force of 0.5 N pushes on a cart over a distance of 300m. The work done is (a) J.
5.
MATCH QUESTION
20 sec • 4 pts
Match the following simple machines to their correct examples.
Escalators
Wedge
Jar lid
Lever
Broom
Screw
Nail
Inclined plane
6.
CATEGORIZE QUESTION
30 sec • 5 pts
Single wedge or double wedge?
Groups:
(a) SINGLE
,
(b) DOUBLE
Chef's knife
Axe
Nail
Razor blade
Doorstop
7.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
A work of 80 J was done by a box sliding down a 5m long ramp. What was the force (in N) that was pushing the box down the slope?
(a)
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