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- 1. Multiple Choice
A string roller is an example of
pulley
third class lever
wheel and axle
second class lever
- 2. Multiple Choice
which of the following machine is inclned plane wrapped on a cylinder?
wedge
inclined plane
pulley
screw
- 3. Multiple Choice
A staircase is an example of:
third class lever
incline plane
second class lever
first class lever
- 4. Multiple Choice
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
Which of the following machine has co-axial cylinder
inclined plane
wedge
pulley
wheel and axle
- 6. Multiple Choice
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
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
nut cracker is an example of
1st class lever
3rd class lever
2nd class lever
wheel and axle
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