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science vocab
science vocab zoe cook
| Term | Definition |
|---|---|
| inertia | the tendency of an object to resist change in motion |
| centripetal acceleration | when an object moves in a circle, what type of acceleration acts to accelerate the object toward the center of the circle? |
| newtons | what is the si unit weight is measured in |
| momentum | a property of a moving object resulting from the product of its mass and velocity |
| net force | an object at rest on the surface of the earth is experiencing zero |
| sliding friction | causes a box you are pushing across the floor to stop when u stop pushing |
| terminal velocity | the largest velocity reached by a falling object |
| third | the phrases "to every action there is a equal and opposite reaction" is newtons _____ law |
| distance | the amount of gravitational force between two objects depends on their masses and the ___________ between them |
| conservation of momentum | according to the law of _______(3 words) , when a bowling ball strikes the pins, the momentum last by the bowling ball is equal to the momentum gained by the pins |
| field | a region of space that has a physical quantity at every point (we should say we are in earth's gravitational _____ ) |
| air resistance | the force exerted by air on a moving object |
| centripetal force | when a car travels around a curve in the road, the friction provides the ______(2 words) that helps keep the car traveling in a curved path |
| weight | the measure of the force of gravity on a object |
| static friction | two surfaces that are not moving past each other have what type of friction? |
| second | a net force acting on an object causes the object to accelerate in the direction of the net force is newton's _____ law of motion |
| free fall | if the only force acting on an object is gravity the object is said to be in _____ |
| gravity | the force that every object in the universe exerts on every other object |
| first | newton's _____ law of motion states that an object at rest tends to stay at rest tends to stay at rest unless acted upon by an outside force |