Forces
Newton's Laws
Motion
Power and Machines
Work and Efficiency
100
They are equal in size and opposite in direction.
What are balanced forces?
100
An object will remain in its current state of movement unless acted upon by an outside force.
What is the 1st Law of Motion?
100
The rate at which an object changes position.
What is Speed?
100
The measure of the amount of work done in a specified time.
What is power?
100
The transfer of energy through motion.
What is work?
200
The measure of the force of gravity on an object.
What is weight?
200
The amount of acceleration is determined by the size of the force and mass of the object.
What is the 2nd Law of Motion?
200
Describes the rate an object changes direction in a certain direction.
What is velocity?
200
The formula for power
What is P=W/T
200
The formula for work.
What is W=F*D
300
The force of attraction between between every object in the universe.
What is gravity?
300
For every action, there is an equal and opposite reaction.
What is the 3rd Law of Motion?
300
The change in velocity of an object.
What is acceleration?
300
The equivalent of lifting 33,000 lbs one foot in one minute.
What is horsepower?
300
How much useful work is done by a machine compared to the work put into the machine.
What is efficiency?
400
Cause an object to move in the direction of the net force.
What are unbalanced forces?
400
The equation for force
What is F=M*A?
400
When negative acceleration is recorded, this occurs.
What is deceleration?
400
A device that accomplishes work with one movement.
What is a simple machine?
400
Measure as the number of times a machine multiplies the force applied to the machine.
What is mechanical advantage?
500
Pushes and pulls that cause objects to move
What are forces?
500
These were created by Issac Newton after an apple fell on his head.
What are the Laws of Motion?
500
The formula for acceleration.
What is A=Change in Velocity / Time?
500
A combination of two or more simple machines.
What is a complex machine?
500
Can never be perfect because of friction
What is efficiency
M
e
n
u