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Physical Science #I
Physical Science Questions
| Question | Answer |
|---|---|
| Vector Quality | a quantity possessing both magnitude and direction, represented by an arrow the direction of which indicates the direction of the quantity and the length of which is proportional to the magnitude. |
| Scalar Quality | a scalar quality is a quality with no direction. |
| Chemical Element | A chemical element is a substance that cannot be broken down by chemical means. |
| Atomic Number | The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table. |
| Force | A push or pull exerted on an object. |
| Static Friction | Friction that acts on objects that are not moving. |
| Newton | The SI unit used for the magnitude, or strength, of a force. |
| Friction | The force that one surface exerts on another when the two surfaces rub against each other. |
| Gravity | The force that pulls objects toward each other. |
| Weight | A measure of the force of gravity on an object. |