Vocabulary 1
Vocabulary 2
Newton
Simple Machines
Misc
100
The location of an object is its
What is position
100
The more _________ an object has, the easier it is for that object to move other objects.
What is momentum
100
When two forces act on an object it is called________?
What is a balanced force
100
A Simple Machine
What is a kind of machine that takes one force and changes it to a different force?
100
Acceleration
What is the change in velocity over time?
200
Units of _________________ are the newton and the pound
What is force
200
The ability to perform work is ______________?
What is Energy
200
Newton's first law is sometimes called this
What is the law of inertia
200
The force applied to a machine
What is Effort
200
Explain how momentum works
Explain how momentum works The more momentum an object has, the easier it is for the object to move other objects
300
The measurement that combines the speed and direction of a moving object is ____________?
What is Velocity
300
The _________ done on an object changes the amount of energy it has.
What is work
300
An object at rest tends to stay at rest, and an object in constant motion tends to stay in motion, unless acted upon by an unbalanced force
What is Newton's First Law
300
Energy that is stored.
What is potential energy?
300
How could you speed up the slide at a park if you are going down too slow?
Make the surface of the slide smoother, decrease the friction.
400
A ________________ is a pivot point for a lever.
What is a fulcrum
400
The force that opposes the motion of one object moving past another is ______________?
What is Friction
400
The unbalanced force on an object is equal tothe mass of the object multiplied by its accelerations: F= m x a.
What is Newton's Second Law?
400
Energy of a moving object
What is Kinetic energy?
400
When a person is holding a ball, what kind of energy does the ball have?
Potential
500
Electric motors have a high degree of ___________ because they output 85 percent of the energy they use.
What is Efficiency
500
The idea that energy cannot be created or destroyed is the basis for the ____________________?
What is the Law of Conservation of energy
500
What is Newton's Third Law? All forces occur in pairs, and these two forces are equal in strength and opposite in direction.
What is Newton's Third Law?
500
If you were to need to get to the top of a building what, give an example of a simple machine and a compound machine to get there
Stairs- Simple. Elevator- Compound
500
When a ball is dropped, what kind of energy does it have?
When a ball is dropped, what kind of energy does it have? Kinetic
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