Moments And Forces Flashcards
1
Q
What is Mass?
A
Amount of matter in a substance
2
Q
What is weight?
A
Force created by the gravitational pull on an object
3
Q
What is the principal of moments?
A
In equilibrium, a clockwise moment from a point is the same as the anti-clockwise moment from the same point
4
Q
What is the centre of gravity
A
Point at which all an objects weight appears to act
5
Q
Name 5 types of energy
A
Kinetic energy
Sound energy
Light energy
Heat energy
Gravitational potential
6
Q
What is the law of conservation of energy?
A
Energy can’t be created or destroyed, it can only be transferred from 1 form to another
