Simple Machine - JSS2 Basic science Past Questions and Answers - page 1
1
What is a simple machine?
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A
A complex mechanical device
B
A complex mechanical device
C
A high-tech gadget
D
None of the above
2
Which of the following is an example of a lever?
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A
Slide
B
Elevator
C
Seesaw
D
Stairs
3
Which simple machine is commonly used in elevators?
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A
Lever
B
Pulley
C
Inclined plane
D
Wedge
4
What is the function of a wedge?
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A
To hoist flags
B
To cut or split objects
C
To provide mechanical advantage
D
To open and close blinds
5
Where would you typically find a screw?
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A
In a seesaw
B
On a flagpole
C
In a jar lid
D
On stairs
6
What is the primary purpose of an inclined plane?
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A
To lift heavy objects
B
To split objects
C
To make it easier to move objects up or down
D
To hold doors open
7
Which simple machine is commonly used in construction for lifting heavy objects?
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A
Pulley
B
Wheel and axle
C
Screw
D
Wedge
8
What is the primary function of a wheel and axle?
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A
To rotate objects
B
To convert rotational motion into linear motion
C
To change the direction of a force
D
To split objects
9
Which of the following is NOT an example of a simple machine?
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A
Hammer
B
Scissors
C
Screwdriver
D
Elevator
10
What is the purpose of a pulley?
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A
To cut objects
B
To split objects
C
To lift objects or change the direction of a force
D
To provide mechanical advantage
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