1.3 - Newton's Second Law, energy and power Flashcards
1
Q
What is a Newton?
A
The unit of force.
2
Q
What is Newton’s 1st law?
A
An object will remain at rest or will remain at constant velocity unless acted on by an unbalanced force
3
Q
What is Newton’s 2nd law?
A
The acceleration of an object varies directly with the unbalanced force and inversely with its mass (F=ma)
4
Q
How would you calculate weight component in a slope question?
A
F = Wsin@
