Work, Energy And Machines Flashcards
1
Q
Are all energy transfers to do with heating and cooling?
A
No, you can transfer energy by doing work
2
Q
When you lift a book what are you working against?
A
Gravity
3
Q
What is the formula for work done?
A
Work done = force X distance
4
Q
How do most people open a tin of paint?
A
With a lever
5
Q
What is the gear system on a bike?
A
a SIMPLE machine
6
Q
What does a small force acting over a big distance create?
A
A big force
