Energy Flashcards
(7 cards)
1
Q
What is a scalar quantity?
A
A quantity with magnitude only (e.g speed, mass, energy)
2
Q
A
3
Q
What is a vector quantity?
A
A quantity with magnitude and direction (e.g velocity, force, displacement)
4
Q
Is energy scalar or vector?
A
Scalar
5
Q
Write the equation for Gravitational Potential Energy (GPE)
A
GPE = m x g x h
(m = mass, g = gravity, h = height)
6
Q
Write the equation for Kinetic Energy (KE)
A
KE = 1/2 x m x v squared
(m = mass, v = velocity)
7
Q
Write the equation for Elastic Potential Energy.
A
E = 1/2 x k x e squared
(k = spring constant, e = extension)
