Mechanical Advantage and Efficiency

Quiz
•
Science
•
8th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever?
1
10
1000
100
Tags
NGSS.MS-PS2-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
if a load of a lever is 100 newtons and the force you apply is 20 newtons, what is your mechanical advantage?
120 N
5 N
2000 N
80 N
Tags
NGSS.MS-PS2-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation for mechanical advantage?
MA=input force*output force
MA=output force/input force
MA=input force/output force
MA= output force - input force
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mechanical advantage if you lift a load of 300 newtons and you only push down with 50 newtons?
250
50
60
6
Tags
NGSS.MS-PS2-1
NGSS.MS-PS2-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mechanical advantage of a lever with an effort arm of 4 meters and a load arm of 2 meters?
0.5
2
4
8
Tags
NGSS.MS-PS2-2
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
a measure of the amount a machine multiplies a force is its
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary function of machines in terms of force?
Machines increase the output force
Machines decrease the input force
Machines convert energy from one form to another
Machines create energy
Tags
NGSS.MS-ETS1-1
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