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Wehlan Physics 2
Wehlan - Physics Vocabulary Terms #2
| Question | Answer |
|---|---|
| Any push or pull is called? | force |
| The metric (SI) unit for force is the? | newton |
| The force exerted when two objects rub against each other is called? | friction |
| When forces are not even, it is called a(n)_____ force. | unbalanced |
| Another name for an 'unbalanced' force... | net |
| The force that pulls all objects together is called? | gravity |
| The measure of the force of gravity on an object is called? | weight |
| The metric unit of weight is the? | newton |
| The amount of matter in an object is called its? | mass |
| Another name for mass is? | inertia |
| When an object is under the force of gravity only WITHOUT ANY OTHER FORCE it is called? | freefall |
| Friction with air is called air _________? | resistance |
| The tendency of an object to keep doing what it is already doing is called? | inertia |
| Newton's Second Law of motion deals with...? | acceleration |
| As mass goes up, acceleration goes? | down |
| When force goes up, acceleration goes? | up |
| What stays the same for an astronaut as they go out into space? | mass |
| What goes down for an astronaut as they go out into space? | weight |
| Energy of motion is called? | kinetic |
| Energy of position or condition is called? | potential |
| GPE is affected by weight and ____? | height |
| GPE is affected by height and ____? | weight |
| Rubber bands and bows and arrows produce ____ potential energy. | elastic |
| GPE (gravitational potential energy) and KE (kinetic energy) are the two types of ______ energy. | mechanical |
| The abilty to do work is called? | energy |
| Heat energy is called ____ energy. | thermal |
| Energy stored in the atom is called ____ energy. | nuclear |
| Energy stored in molecules is called ____ energy. | chemical |
| Energy stored in waves is called ____ energy. | electromagnetic |
| Total mechanical energy is GPE plus KE minus this... | friction |