Mechanics Flashcards
0
Q
Define couple
A
A couple is a pair of equal and opposite forces acting on a body but not along the same line
1
Q
Define tourque
A
A moment of a couple
2
Q
Moment equation
A
Moment=force x perpendicular distance
3
Q
How do you get equilibrium?
A
Net force must equal zero
Clockwise moment=anticlockwise moment
4
Q
Scalar
A
A unit that has only magnitude and direction is irrelevant
5
Q
Examples of a scalar
A
Mass Speed Distance Force Density
6
Q
Vector
A
A unit that has both magnitude and direction
7
Q
Examples of a vector
A
Acceleration Pressure Velocity Weight Momentum Displacement
