3.1 Forces in Equilibrium Flashcards
1
Q
Define a vector
A
A physical quantity that has a magnitude and a direction
2
Q
When an object on a pivot isn’t moving, what is true of its moments?
A
The clockwise moments equal the anticlockwise moments
3
Q
On a free body force diagram, where should the force arrows be drawn?
A
From the exact point where the force starts with the size of the arrow vaguely representing the size of the force
