Forces
How many forces are there?
Eight
How many forces are involved in flight?
Four
What food do we eat that contains iron?
Cereal
Who invented the Laws of Motion?
Sir Isaac Newton
What force keeps the planets in orbit around the sun?
Gravity
What is the force that makes the plane go up?
Lift
What is in the dollar bills ink that causes it to be magnetic?
Iron
An object at ____ will stay at rest unless acted on by an unbalanced force.
Rest
what kind of force involves a push or pull?
Applied force
What is the force that pushes?
Thrust
What type of magnet can be turned on and off?
Electromagnet
An object in ____ will stay in motion unless acted on by an unbalanced force.
Motion
What is the force we have been studying the past few weeks?
Magnetic
What is the force that pulls?
Drag
What three metals are magnetic?
Iron, nickel, and cobalt
The ____ of an object determines the amount of ______ needed to accelerate the object.
Mass, Force
What are the two most common forces?
What force is the force that pulls down?
Weight or gravity
What is the strongest magnet in the world?
Neodymium
For every ______ there is an equal and opposite _______.
Action, Reaction