ODU : Forces, Energy and Power Flashcards
1
Q
Newtons 1st Law
A
An object will remian at rest or move at a constant speed in a straight line unless acted on by an unbalanced force
2
Q
Newtons 2nd Law
A
When the forces acting on an object are unbalnced, the object will accelerate in the direction of the unbalanced force
3
Q
Newtons 3rd Law
A
If an object A exerts a force on object , then object B will exert an equal but opposite force on object A.
4
Q
Terminal Velocity
A
For an object in free-fall, a constant speed is reached when the upward force on the object (air resistance) is balanced by the downward force on the object (weight).
5
Q
Law of conservation energy
A
Energy cannot be created or destroyed but can change from one form to another
