Conversions Flashcards
1
Q
How to solve for weight?
A
Weight = mass x gravitational field strength
W=mg
2
Q
How to solve for pressure?
A
Pressure = force acting/exerting per unit area in contact
P = F/A
P unit is Pa or N/m2
3
Q
How to solve for work done?
A
Work done = F, force (N) x s, distance moved in the direction of the force exerted (metre, m)
⁃How do I know if there is work done? 1.Energy is transferred 2.a) a force is applied/exerted b) The object moves in the same direction of the force applied