Mechanical Systems
Authored by Lisa Thompson
Science
8th Grade
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When you have a system with a driving gear that is _______ than the driven gear, you will increase torque and decrease speed.
smaller
bigger
same size
thicker
Tags
NGSS.MS-PS2-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify this simple machine
Lever
Wheel & Axle
Inclined Plane
Screw
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The device used to raise a flag up a flag pole is an example of a
wheel and axle
lever
inclined plane
pulley
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This device
wedge
lever
incline plane
wheel and axle
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The fixed point on the lever is called
load
resistance
bar
fulcrum
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these is not a simple machine?
Scissors
Screw
Wheel and axle
Pulley
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For work to be done on an object, the direction and force have to be going the same direction.
True
False
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