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3 Main Forces Test
Friction-Gravitation-Magnetism
| Question | Answer |
|---|---|
| What two things affect how strong the pull of gravitation is? | mass and distance |
| Do magnets attract ALL metal objects? | no |
| Do magnets attract plastic objects? | no |
| Do rough or smooth surfaces produce more friction? | rough surfaces |
| If there is less friction, do objects slide faster or slower? | faster |
| This force pull all objects in the universe toward one another | gravitation |
| any push or pull that causes an object to move, stop, or change direction | force |
| This force occurs when two surfaces rub against each other | friction |
| If you add oil to a squeaky door, which force are you trying to reduce? | friction |
| What force does a compass use in order to work? | magnetism |
| If you are riding a skateboard and you put your foot down to stop, what force are you using to stop? | friction |
| Are gravity and gravitation the same? | no |
| Which force is acting on two pens sitting next to each other on a desk? | gravitation |
| force of pushing or pulling between magnetic poles | magnetism |
| special type of gravitation that pulls things towards the earth | gravity |
| Will two north end of a magnet attract or repel? | repel |
| Will two south ends of a magnet attract or repel? | repel |
| Will a south end and north end of a magnet attract or repel? | attract |
| Is the gravitational force bigger or smaller when objects are farther apart? | smaller |
| If an object is extremely large, like the sun, is the gravitational force bigger or smaller? | bigger |
| T/F? Gravity pulls people to the earth and earth towards the people. | true |
| type of force that occurs when two objects touch | direct force |
| type of force that occurs even though the objects do not touch | indirect force |
| Is magnetism a direct or indirect force? | both |
| Is gravitation a direct or indirect force? | indirect |
| Is friction a direct or indirect force? | direct |
| If all the atoms are lined up in a substance, then that substance is probably a _________. | magnet |
| Will a magnet lose its magnetic force if it is dropped very very hard? | yes |
| What two things affect the strength of the gravitation between two objects? | mass and distance |
| Will a magnet lose its magnetic force if it is broken in half? | no |
Created by:
edeboo