Simple Machines Lesson
Presentation
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Miranda Litwiller
FREE Resource
7 Slides • 8 Questions
1
2
3
Multiple Choice
Which of the following best describes the main function of a simple machine?
It makes work easier by changing the amount or direction of force applied.
It increases the total amount of work done.
It creates energy from nothing.
It makes objects heavier.
4
Open Ended
How do simple machines make our daily tasks easier?
5
6
Multiple Choice
Which of the following is an example of a wedge?
Knife
Seesaw
Steering wheel
Ramp
7
8
Fill in the Blanks
The formula for mechanical advantage is MA = Output Force /
Type answer...
9
10
Multiple Select
Which of the following statements are true about efficiency in machines?
Efficiency is always less than 100% due to energy loss.
Efficiency is calculated as (Output Work/Input Work) × 100.
Efficiency tells you how much input work is converted to useful output work.
Efficiency is measured in Newtons.
11
Open Ended
Explain the difference between mechanical advantage and efficiency in simple machines.
12
13
14
Open Ended
What is one question you still have about simple machines or something you would like to learn more about?
15
Multiple Choice
How do simple machines make work easier, and what is one thing they do not change?
They increase the total work needed
They change the amount or direction of force applied
They make work harder
They use more energy
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