3.3 Newton's laws of motion Flashcards
1
Q
What is Newtons first law?
A
Objects are either at rest or move with a constant force unless a force acts on it
2
Q
What is Newtons second law (equation)?
A
F = ma
3
Q
What is the equation for weight?
A
W = mg
4
Q
What factors affect an objects drag force?
A
The shape and size of the object and the viscosity of the fluid
5
Q
Describe terminal velocity
A
The maximum velocity of an object in free fall when its drag force and weight are in equilibrium