Work Flashcards
1
Q
What is work done?
A
The energy transferred when a force is used to move an object a certain distance.
2
Q
How do you calculate the work done?
A
Force (N) x Distance Moved (m)
3
Q
When do you do work?
A
When you do something that goes against gravity like lifting a book.
4
Q
What do simple machines do?
A
Make it easier to lift things.
5
Q
What does a force multiplier do?
A
Uses a smaller import force to generate a larger output force.
6
Q
What happens when you increase the distance from the pivot?
A
Less input force is needed to be used.
7
Q
What is an example of a force multiplier?
A
A lever.
8
Q
How much energy you need to increase the temperature depends on…….
A
The mass of the substance, what the substance is made of and how much you want to increase the temperature by.
