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Newton's Laws
| Question | Answer |
|---|---|
| What is a Force? | push or pull |
| What is the unit of measurement for force? | Newtons(N) |
| What is weight? | the measure on how much gravity pulls down an object |
| Is mass a force? | No, not a force |
| Is weight a force? | Yes |
| What is the jobs of forces? | to change direction and speed of objects |
| What is a net force? | the total amount of forces acting on an object (if the forces aren't equal then is motion) |
| Newton's 1st Law of MOTION | Objects at rest tend to stay at rest until a force acts on it. Objects in motion tend to stay in motion in a straight line until a force acts on it |
| Law of Inertia | Same as Newton's 1st Law of motion |
| What is Inertia? | How stubborn something is; the want to stay doing what it's doing |
| What is the relationship with Inertia and Mass | The more mass, the more inertia |
| Newton's 2nd Law of MOTION | It describes how an object moves due to an unbalanced force |
| What is the formula for newton's 2nd law of motion? | Force equals mass times acceleration (F = m x a) |
| What is the unit of measurement for mass? | grams |
| what is the unit of measurement for acceleration? | meters per second squared (m/s^2) |
| What is Newton's 3rd Law of MOTION | for every action force there is an opposite and equal reaction force. |
| What is Gravity? | gravity is a pull force |
| What is mass | how much matter (stuff) is in something |
| What tool is used to measure mass | a balance |
| What tool is used to measure weight | a scale |
| can mass change from place to place | no |
| can weight change from place to place | yes |
| What is Newton's Law of Gravity | Everything has gravity therefore everything is pulling on everything else |
| If there were more mass there would be (more/ less) gravity | more |
| If there were more distance there would be (more/ less) gravity | less |
| Mass is ____ to gravity | directly proportional |
| If the mass is doubled (2x) the gravity would be... | quadrupled (4x) |
| Distance is _______ to gravity | inversely proportional |
| if the distance doubles (2x) the gravity would be..... | one-fourth of the distance (1/4) |
| Why does the pen NOT go to you when you drop it? | earth's Gravity over rules our gravity |
| Why are we not pulled off the Earth by the Sun's gravity | it is too far away so the earth's Gravity wins |
| how far away is the Sun from Earth | 93 million miles (93,000,000) |
| What is the order of the planets fastest to slowest | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune |
| What are the inner (terrestrial) planets | Mercury, Venus, Earth, Mars |
| What are the inner planets' characteristics | rocks, small, no rings, close together |
| What are the outer planets? | Jupiter, Saturn, Uranus, Neptune |
| What are the outer planets' characteristics | rings, giant, gassy, moons, far apart. |
| How do orbits work | The inertia of the planet/moon has to be equal to the gravity of the sun/planets in order to have orbit (it is a constant battle) |
Created by:
BookLoverHEHE