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WorksheetsUnderstanding Simple Machines Video
Total questions: 4
Worksheet time: 17mins
1-15.
Answer the questions below after watching the video
What is the primary purpose of simple machines?
To simplify and ease physical tasks
To increase the amount of work needed
To make tasks more difficult
To replace human labor entirely
Which of the following is an example of a wedge?
A pulley
A car
A wheelbarrow
A nail
How does a wheel and axle help in moving objects?
By increasing friction
By reducing friction
By holding objects together
By changing the direction of force
Which component is NOT part of a lever?
Pivot point
Force
Thread
Load
What is the advantage of using an inclined plane?
It holds objects together
It changes the direction of force
It requires less force over a longer distance
It requires more force over a shorter distance
What is a screw primarily used for?
Changing the direction of force
Holding things together or lifting
Moving objects apart
Reducing friction
What is a unique feature of a pulley system?
It moves objects apart
It holds objects together
It changes the direction of force
It increases the force needed
What is a common example of a pulley?
A flagpole
A seesaw
A nail
A car
Which simple machine is used to change the direction of force?
Screw
Pulley
Wedge
Lever
Which of the following is NOT a compound machine?
Shovel
Bicycle
Car jack
Nail
What two simple machines make up a shovel?
Wheel and axle
Inclined plane and screw
Wedge and lever
Screw and pulley
Which simple machines are combined in a wheelbarrow?
Wedge and pulley
Wheel, axle, and lever
Screw and inclined plane
Lever and pulley
What is the main benefit of compound machines?
They accomplish massive tasks
They require no planning
They are easier to design
They are simpler than simple machines
Which simple machine is used in a car jack?
Lever and screw
Pulley
Inclined plane
Wedge
What is the role of engineers in using simple machines?
To replace them with modern equipment
To use them without planning
To plan, design, and work as a team
To make them more complex
The purpose of a simple machine is to make work easier by allowing for a push or pull to occur over an increased distance.
True
False
Identify a reason someone would use a simple machine.
To make work more difficult
To hold an object together
You don't need simple machines
to make moving, pulling and pushing things easier
What is the purpose of a simple machine?
to reduce work
to increase friction
to make work easier
to increase buoyancy
