Mechanics Flashcards
1
Q
If it is said to be in limiting equilibrium what is F ?
A
F<= μR
2
Q
What can you infer from the pulley being smooth?
A
Tension is the same
3
Q
What can you infer from the string being inextensible?
A
Acceleration is the same
4
Q
What are possible improvements could be made to a model -
A
- More accurate value of gravity
- Spin of the ball/ particle
- direction and size of the particle
- Air resistance
5
Q
What happens to the horizontal component of speed in a projectile?
A
Horizontal speed never changes
6
Q
Vertical acceleration =
A
a = -9.8
7
Q
Horizontal acceleration =
A
a = 0