PLTW POE Simple Machines Part 1
Authored by Olimpia Stein
Computers
9th - 12th Grade
Used 272+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which simple machine is NOT found in the object?
lever
wedge
wheel and axle
inclined plane
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What kind of simple machine?
lever
wheel and axle
inclined plane
screw
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the units of force called?
newtons
joules
work
meters
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If simple machines reduce the force needed to move an object, what trade-off must be made?
increase the amount of work
decrease the amount of work
increase the distance the force is applied
decrease the distance the force is applied
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The boy can lift the barrel or roll the barrel up the inclined plane. In which does he do more work?
when lifting the barrel
when rolling the barrel
neither- both are the same amount
neither- no work is done
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A flat sloping surface that connects lower and higher elevations. It makes raising objects easier.
wedge
screw
lever
inclined plane
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which is a screw?
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