Simple Machine - JSS2 Basic science Past Questions and Answers - page 2
Which simple machine is commonly used in cutting tools like knives?
Screw
Wedge
Inclined plane
Lever
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Where would you typically find a lever in use?
In a doorstop
In a ramp
In a seesaw
In a screwdriver
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What is the primary purpose of a screw?
To provide mechanical advantage
To cut or split objects
To fasten materials together
To lift heavy objects
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Which simple machine is commonly used in vehicles for transportation?
Screw
Pulley
Wheel and axle
Wedge
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What is the primary function of an inclined plane?
To lift heavy objects
To rotate objects
To change the direction of a force
To make it easier to move objects up or down
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Which simple machine is commonly used in tools like crowbars?
Pulley
Lever
Screw
Inclined plane
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Can you provide an example of a simple machine?
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How does a pulley work?
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What are some common uses of a wheel and axle?
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Can you explain the function of a wedge?
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