Online Test — Simple Machines
10 Questions • 12 min • Chapter MCQ
12:00
Question 1 of 10
easy
A stiff bar that turns on a fixed point to lift loads is a…
Pulley
Lever
Wedge
Screw
Explanation: A lever is a bar that turns on a fixed point.
Question 2 of 10
easy
A pulley is often used to draw water from a…
Well
Cloud
Tree
Star
Explanation: Pulleys help raise water buckets from wells.
Question 3 of 10
easy
The fixed point a lever turns on is called the…
Wheel
Load
Fulcrum
Rope
Explanation: The fulcrum is the lever's turning point.
Question 4 of 10
easy
Two inclined planes joined to a sharp edge make a…
Wheel
Pulley
Wedge
Rope
Explanation: A wedge is like two slopes meeting at a sharp edge.
Question 5 of 10
hard
A complex machine like a bicycle is really made of several…
Clouds
Simple machines working together
Animals
Rivers
Explanation: Bigger machines combine many simple machines.
Question 6 of 10
medium
A wedge is used mainly to…
Cut or split things
Lift weights up high
Roll loads
Store water
Explanation: Wedges cut and split objects apart.
Question 7 of 10
medium
A bottle opener that lifts a cap works as a…
Wheel
Pulley
Lever
Ramp
Explanation: A bottle opener acts as a lever.
Question 8 of 10
easy
Simple machines help us by needing less…
Sound
Colour
Effort (force)
Light
Explanation: Machines let us do work with less effort.
Question 9 of 10
easy
A wheel turning on a rod through its centre is a wheel-and-…
Rope
Axle
Wedge
Lever
Explanation: A wheel and axle work together.
Question 10 of 10
medium
A knife, an axe and a needle are all examples of a…
Pulley
Wedge
Lever
Wheel
Explanation: Their sharp points and edges are wedges.