click below
click below
Normal Size Small Size show me how
Motion
science
Question | Answer |
---|---|
the change in an object's location over a certain amount of time | motion |
the motion of an object along a straight line | linear motion |
What are two types of linear motion? | horizontal and vertical motion |
the distance that an object travels over a certain amount of time | velocity |
a scientist who studies motion | physicist |
the motion of an object around a central point | angular motion |
the motion of an object in a complete circle | rotational motion |
the back and forth motion of an object from a central point | periodic motion |
the push or pull of one object on another | force |
the force that resists the motion of one object against another | friction |
the force pulling together all objects in the universe | gravity |
the amount of work done over a certain amount of time | power |
using a force on an object to make it move | work |
a tool that requires only one force to be used | simple machine |
a combination of two or more simple machines | compound machine |
Motion that is forward, backward, left, or right. | horizontal motion |
Motion that is up and down. | vertical motion |
Velocity is also called _______. | speed |
Name 4 famous physicists. | Leonardo Da Vinci, Galileo Galilei, Sir Isaac Newton, and Albert Einstein |
When an object returns to the place where it started, it has completed one _______. | rotation |
An example of rotation is a ______ ______. | ferris wheel |
An example of periodic motion is a _______ opening and closing. | door |
Forces can exist between two objects that are not in ________. These forces _____ and ______ objects from a distance. | contact - push - pull |
Who was one of the greatest physicists that ever lived? | Sir Isaac Newton |
Sir Isaac Newton is famous for his study of ______. | motion |
Newton is famous for his discovery of _______ that describe how objects ______. | laws - move |
Newton believed science and mathematics supported the ________. | Bible |
Newton's first law says: Every object at ______ stays at rest and every object in ________motion remains in motion unless they are acted upon by outside ________. | rest - motion - forces |
How many types of simple machines are there? | six |
What is a rigid bar that rotates about a fixed point? | lever |
A ______ and _____ turns the rotation of the wheel into a force on an axle. | wheel and axle |
What is a wheel with a rope that passes over it to lift objects? | pully |
What is an inclined plane wrapped around a wheel and axle? | screw |
What is made from back to back inclined planes? | wedge |
What is a slanted surface? | inclined plane |
What is an example of a wheel and axle? | bicycle |
What is an example of a pulley? | well |
What is an example of a screw? | water bottle |