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FPBSD 6thGr Gravity
FPBSD Remote 6th Grade Gravity & Fiction Lesson1
Question | Answer |
---|---|
What is a force? | A push or pull on an object |
What are contact forces? | Happens between two forces that touch. |
What are noncontact forces? | Forces that act upon an object without touching it. |
What is an example of a contact force? | Bat hits a ball. |
What is an example of a noncontact force? | A magnet attracts or repels an object |
What is mass? | amount of matter in an object |
What is gravity? | the pull that every object exerts on every other object due to their mass. |
What is the Law of Universal Gravitation | All objects are attracted to each other by a gravitational force. |
What is friction? | A force that occurs when one object rubs against another. |
What is static friction? | Prevents to objects from sliding past each other. |
What is sliding friction? | the force that acts in the opposite direction to the motion of a surface sliding on another surface. |
What is fluid friction? | Occurs between a surface and a material that flows |