Forces And Motion Flashcards
1
Q
Explain why terminal velocity happens
A
Air resistance increases
Until downward force = upward force
Forces balanced
No more acceleration reaches constant speed
2
Q
When describing motion of object which reaches terminal velocity talk about
A
Directions of different forces
3
Q
Velocity time graph
A
Area = distance travelled
4
Q
Look at
A
Question 10a
5
Q
Hooke’s law
A
An object obeys hooke’s law when the force and the extension are directly proportional to each other