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Pg 11 - HW - Card
Pg 11 homework flashcards for Gravity and Friction
| Question | Answer |
|---|---|
| Air Resistance | When___ is ignored, all objects will speed up at same rate as which fall. |
| Speed & Increase | The force of gravity can change ___ , as an object falls, its ____ will continually ___ , as earths center pulls it down. |
| Smoothing | Friction can be reduce by ___ the surface |
| Smoother | The ___ the two surfaces the less friction. |
| Opposite | The slowing force of friction always acts in the direction ____ of the force causing motion. |
| Continue | If friction could be removed an object would___ more. |
| Friction | A force that occurs when 1 object rubs against another object. |
| Gravity | Is a force that attracts or pulls objects toward each other without direct contact or impact. |
| Moon & Changing Direction | The pull of earth's gravity keeps the ___ in orbit; the ___ is constantly ___ ____ |
| Gravitational Attraction | _____ depends on the mass of the 2 objects the distance they are apart. Objects on earth are pulled towards the center of earth. |