Science Simple Machines

Quiz
•
Science
•
7th Grade
•
Hard
Charles Martinez
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A string roller is an example of
pulley
third class lever
wheel and axle
second class lever
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which of the following machine is inclned plane wrapped on a cylinder?
wedge
inclined plane
pulley
screw
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A staircase is an example of:
third class lever
incline plane
second class lever
first class lever
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of lever cannot magnify the applied effort?
first class lever
second class lever
third class lever
all of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following machine has co-axial cylinder
inclined plane
wedge
pulley
wheel and axle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The formula for principle of lever is:
E x Ed= Lx Ld
E x L= Ed x Ld
E x Ld = L x Ed
E/L = Ed/Ld
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A simple machine that has a disc with a grooved rim to wind up a string is called
wedge
incline plane
pulley
wheel and axle
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
nut cracker is an example of
1st class lever
3rd class lever
2nd class lever
wheel and axle
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