forces, energy and power Flashcards
1
Q
what is friction
A
the force that opposes the motion of all objects
2
Q
how do you calculate the component of weight down a slope
A
Wp = m g sin@
3
Q
force as a vector formula
A
F = m a
F = F1 cos@
4
Q
what is the law of conservation of energy
A
In a closed system energy cannot be created or destroyed
