Balanced And Unbalanced Forces Flashcards
0
Q
If the air resistance and the weight are equal what happens
A
The object travels at a constant speed
1
Q
How does a parachute not die
A
The parachute jumper because he doesn’t crash to the ground because the air resistance is equal to the weight
2
Q
What is terminal velocity
A
When the downward force is equal to the upward force
3
Q
What is the symbol when force is directly proportional to the extension
A
F ~ x
4
Q
What is the equation for speed
A
Speed = distance
Time
5
Q
What is the equation for average speed
A
Ave speed = total distance travelled
Total time taken
6
Q
Before stopping a car what does the driver has t think what is this called
A
Thinking distance
7
Q
What is the total stopping distance
A
Thinking distance+ breaking distance
