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WorksheetsSimple Machines Quiz
Total questions: 12
Worksheet time: 6mins
Which of the following is NOT a simple machine?
A nail cutter
A bottle opener
A sewing machine
A wedge
Assertion (A): A machine is used to get more work done with less effort.
Reason (R): Simple machines typically have only one or two parts and a simple structure.
Both A and R are true, and R is the correct explanation of A
Both A and R are true, but R is not the correct explanation of A
A is true, but R is false
A is false, but R is true
In the structure of a lever, the support at which the rod is rested is known as the:
Load
Effort
Fulcrum
Axle
A device with a grooved wheel and a thread used for lifting weights is a pulley.
True
False
All of the following are examples of a wedge except:
An axe
A chisel
A staircase
A needle
Assertion (A): It is easier to fit a screw into wood than to hammer a nail.
Reason (R): A screw is like a rolled-up inclined plane that requires less force.
Both A and R are true, and R is the correct explanation of A
Both A and R are true, but R is not the correct explanation
A is true, but R is false
A is false, but R is true
When using a pulley to lift a weight, the force is applied in the ______ direction to move the weight in the ______ direction.
Upward, Downward
Downward, Upward
Horizontal, Vertical
Upward, Upward
In a second-order lever, which component is situated in the center?
Fulcrum
Effort
Load
Weight
Why is a bicycle considered a complex machine rather than a simple one?
It requires manual effort to move
It is used for transportation
It consists of many parts, including various simple machines, joined together
It has wheels that rotate on an axle
Assertion (A): Metallic parts of a machine are painted externally.
Reason (R): Painting prevents the effect of weather and rusting, which helps in maintenance.
Both A and R are true, and R is the correct explanation of A
Both A and R are true, but R is not the correct explanation
A is true, but R is false
A is false, but R is true
If you use a very steep inclined plane to load a drum onto a truck, what is the result?
You bear less weight, but distance is longer
You bear greater weight, but distance is shorter
Weight remains the same
Task becomes impossible
A “Giant Wheel” in a fairground is an example of:
Third-order lever
Wedge
Wheel and axle
Inclined plane
