click below
click below
Normal Size Small Size show me how
3B test
| Question | Answer |
|---|---|
| A force that acts in the opposite direction of the downward pull of gravity is | air resistance. |
| In space, if an astronaut pushed her jetpack away from her, the jetpack would | push back. |
| What are the 3 types of motion? | circular, vibrational, straight line |
| Compared to distance, displacement is always what? | shorter or equal to |
| What are 3 examples of static charges? | clothes sticking from dryer, shocking from walking across carpet, rubbed balloon sticking to hair |
| The force of attraction between any 2 objects is what? | gravity |
| The moon uis kept in orbit around the Earth by what force? | Earth's gravity |
| According to the law of inertia, an object at rest does what? | stays at rest until an outside force acts on it |
| What is the total length of the paths between two points? | distance |
| What is the combination of two or more forces acting in the same direction called? | net force |
| The change in velocity during a particular time period refers to what? | acceleration |
| What is the force between surfaces that resists the movement of one surface past another? | friction |
| According to Newton's 2nd law, the greatest force would come from what kind of hammer? | a heavy hammer swung quickly |
| What is the equation for Newton's 2nd law? | F = M X A |
| This includes both direction and shortest distance. | displacement |