P8 Flashcards
1
Q
Scalar
A
A physical quantity(magnitude) without direction
2
Q
Vector
A
A physical quantity(magnitude) with a direction
3
Q
Resultant Force
A
If both forces are acting on the same object:
In the same direction- add the value of the forces
In opposite directions- subtract the value of the forces
4
Q
Equation for pressure
A
Pressure=force/area
5
Q
Center of mass
A
The point on an object which acts as the center from which the object’s mass is distributed
6
Q
Calculation for moments
A
Moment=force x perpendicular distance from pivot