A | B |
Force | a push or a pull |
Pound | the English unit for force. Abbreviated "lb." |
Newton | the SI* unit for force. Abbreviated "N" |
Balanced force | equal force on both sides |
Unbalanced force | unequal force. One force overcomes the other |
Net force | the left over force when the force is unbalanced |
Equilibrium | the result of balanced forces |
Scalar value | physical quantities in nature that are described only by a magnitude |
Vector | each physical quantity in nature that's described by a magnitude and a direction |
magnitude | strength |
Mass | total amount of matter contained in an object |
Weight | a measure of the earth's gravitational pull |
Gravity | how hard the earth is pulling objects toward its center |
Linear vs. Rotational | straight line vs. rotating |
Torque | a forcelike quantity in the rotational mechanical system |
T=F * L | Torque equals applied force times lever arm |
Axis of rotation | point of rotation |
Lever arm | the handle |
1 kilogram | 9.8 newtons |