What is a force of attraction between two or more objects over a distance. The more mass an object has, the stronger the gravitational force.
gravity
A force that brings an object closer.
Pull
a type of machine that helps us do work easier
Any push or pull is called ____.
Force
A force that moves an object away.
Push
How many laws of motion did Newton come up with?
Three
Name two types of catapults
trebuchet and Mangonel
When raising a flag on a flagpole, you are using this type of simple machine?
Pulley
What has the fastest speed in the universe
Speed of light
Who discovered gravity?
Newton
A seesaw, a hammer, a crowbar, a light switch.
Lever
Any change in speed or direction
acceleration
What are the two components of velocity?
speed and direction
A simple machine that is usually used to hold things together and is made of an inclined plane on a post
Screw
A doorknob is an example of this type of simple machine.
Ms. Wallbrown's class and Mrs. Edmisten's class are playing tug-of-war. After several minutes, the students notice that the rope has not moved at all. What is one possible cause of this?
The two ends of a magnet are called _____.
North and South
Name the first Newton's law of motion.
Newton's Law that says an object at rest will stay at rest unless a force acts on it AND an object will move in a straight line at a constant speed until a force acts on it
Name three objects that are magnetic.
Iron, nickel, aluminum, metals, gold, steel, cobalt
What law of motion is speed related to?
Newton's Second Law of motion
186,000 miles per second or 300,000 km per second
What is force measured in?
What is the difference between speed and velocity?
SPEED IS TIME AND DISTANCE. VELOCITY IS TIME AND DISTANCE WITH DIRECTIONS. VELOCITY EX: THE PERSON IS RUNNING AT 9 MILES PER HOUR NORTH.
How do you calculate speed?
SPEED = DISTANCE/TIME
Which Newton's Law of motion is related to inertia?
Newton's First Law of Motion