Forces Flashcards
1
Q
What is hookes law?
A
When weight increases so does the extension
2
Q
What is friction?
A
Two surfaces touching that slow u down
3
Q
What is a contact force?
A
A force when surfaces touch - friction
4
Q
What is a non contact force?
A
Forces not touching- gravity
5
Q
What is the reaction pair of gravity?
A
Reaction force
6
Q
What is the reaction pair of friction
A
Air resistance
7
Q
How can you reduce friction?
A
Lubrication
8
Q
How can you reduce air and water resistance?
A
Streamlining
9
Q
Is it harder to move through water or air
A
Water
10
Q
What is mass weighed in?
A
Kg or g
11
Q
Would your mass stay the same if you went to the moon?
A
Yes
12
Q
Would your weight stay the same if you went to the moon?
A
No you would weigh less
13
Q
What is force measured in?
A
Newtons
