P2.2.5 - Everyday Forces And Their Effects Flashcards
1
Q
What is terminal velocity?
A
When the force exerted on you by the air equals the force exerted on you by the Earth
2
Q
If air resistance didn’t exist, how long would it take to reach the speed of sound?
A
30 seconds
3
Q
How do you explain the motion of objects when the forces are at an angle?
A
Resolve the forces so you are only dealing with 2 right angles
4
Q
When a rocket accelerates, are the forces on the gases in the rockets bigger than the Earth’s force?
A
Yes
