Section 2 - Forces In Action Flashcards
(7 cards)
1
Q
Friction
A
A force that opposes motion. Converting kinetic energy to thermal energy
2
Q
Terminal velocity
A
When the friction equals the driving force
3
Q
Density
A
Measure of compactness of a substance
4
Q
Pressure
A
The amount of force applied per unit area
5
Q
Archimedes principle
A
Upthrust = weight of fluid displaced
6
Q
Moment
A
The turning effect of a force
7
Q
Couple
A
A pair of forces in equal size which act parallel to each other but in opposite directions. A couple produces torque
