click below
click below
Normal Size Small Size show me how
science-1/13/10
science quiz on section 1 and 2
Question | Answer |
---|---|
What is friction? | A force that opposes motion, and creates heat that wears down an object. |
What is static friction? | It is the type of friction,that keeps an object from moving. |
What is an example of Static Friction? | To make a sled move. |
What is fluid friction? | When an object moves across or through the air or through an object. |
What is an example of fluid friction? | A surfer surfing. |
What is Rolling friction? | When a solid object rolls against another solid object. |
What is an example of Rolling friction? | A skateborder Skatebording. |
What is sliding Friction? | when a solid object slides against another solid object. |
What is an example of sliding friction? | a bicycles hand brake. |
What is gravity? | A force that pulls an object down. |
What are two factors that affect of gravity? | mass and distance. |
What is termianal velocity? | the greatest velocity a falling object reaches. |
What did Newton Summurize? | All objects in the universe are attrackted to each other by the force of gravity. |