dynamics Flashcards
1
Q
What is mass?
A
Mass is the amount of substance in a body.
2
Q
What is inertia?
A
The tendency of an object to resist changes in its velocity from its initial state of rest
3
Q
What is weight?
A
The weight of an object is the force acting on it due to gravity.
4
Q
What is Newton’s first law of motion?
A
An object at rest will remain at rest, and a moving object will continue with a constant velocity unless an external unbalanced force acts on it
5
Q
What is Newton’s second law of motion?
A
An object will only accelerate if there is a net or unbalanced force acting upon it.
6
Q
What is the formula for force?
A
F = ma (force = mass x acceleration due to gravity)
7
Q
What is the formula for weight?
A
W = mg (weight = mass x acceleration)
