Mechanics Flashcards
(6 cards)
1
Q
State three modelling assumptions used if you are working with a ball
A
Assume that the ball is a particle
Ignore air resistance
Constant force due to gravity
2
Q
State 2 modelling assumptions used if you are working with a rope
A
It is light- so ignore mass
It is inextensible- so assume tension is constant throughout
3
Q
How do you get from displacement to velocity to acceleration?
A
Differentiate
4
Q
How do you get from acceleration to velocity to displacement?
A
Integrate
5
Q
What units should always be used with trig and mechanics?
A
Depress, unless the you need to differentiate or integrates
6
Q
What does instantaneously mean?
A
Suddenly/ at once
