Simple Machines - JSS2 Basic technology Past Questions and Answers - page 1
1
Which of the following is not a type of lever?
View related lesson
A
First-class lever
B
Second-class lever
C
Third-class lever
D
Fourth-class lever
2
In a first-class lever, where is the fulcrum located?
View related lesson
A
Between the effort and the load
B
Between the load and the effort
C
At one end
D
At the centre of the load
3
Which simple machine consists of a wheel with a grooved rim and a rope?
View related lesson
A
Lever
B
Pulley
C
Gear
D
Wheel and axle
4
What is the main function of gears in machinery?
View related lesson
A
To change the direction of force
B
To lift heavy loads
C
To transmit motion and force
D
To cut materials
5
Which type of pulley reduces the amount of input force needed to lift a load?
View related lesson
A
Fixed pulley
B
Movable pulley
C
Compound pulley
D
Friction pulley
6
In which class of lever is the load between the fulcrum and the effort?
View related lesson
A
First-class lever
B
Second-class lever
C
Third-class lever
D
Fourth-class lever
7
What is an example of a third-class lever?
View related lesson
A
Seesaw
B
Nutcracker
C
Tweezers
D
Crowbar
8
Which simple machine is used in elevators to lift the car up and down?
View related lesson
A
Lever
B
Pulley
C
Gear
D
Inclined plane
9
Which type of lever is a pair of scissors?
View related lesson
A
First-class lever
B
Second-class lever
C
Third-class lever
D
Fourth-class lever
10
What is the primary purpose of a lever?
View related lesson
A
To transmit motion
B
To change the direction of force
C
To increase speed
D
To increase force
Loading lesson…