UNIT 3 Flashcards
1
Q
Moment
A
Moment = force x perpendicular distance to pivot.
2
Q
Principle of Moments ( for an object in equilibrium )
A
The sum of all the clockwise moments about a point is = to the sum of all the anti-clockwise moments about that point.
3
Q
Parallelogram of forces
A
Worksheet
4
Q
Vectors
Scalars
A
Physical quantities with a direction ( velocity, Acceleration, weight)
Physical quantities without a direction ( speed, mass, energy )