Newton
Changing
Forces and Units
Simple
Machines
100

Name of his book 

Principia

100
change in speed

acceleration

100

center seeking force that causes objects to travel in a curved path

centripetal

100

work output should be equal to this in ideal conditions

work input

100

distance between 2 ridges on a screw

pitch

200

His 1st law of motion

law of intertia, objects only move if acted upon

200

acceleration of gravity at the earth's surface

9.81 m/s2

200

SI unit of power

watts

200

a vector has what 2 things

magnitude and direction

200

"circular lever"

wheel and axle

300

2nd law of motion

F=ma, the force required to accelerate an object at a certain rate equals the object's mass times the desired acceleration

300

a vector showing an objects change in position

displacement

300

Gravitational force exerted on an object near the surface of the earth

gravity

300

SI unit of force

Newton

300

resembles an inclined plane wrapped around a rod

screw

400

3rd law of motion

for every action there is an equal and opposite reaction

400

quantity of motion

momentum

400

any two objects attract each other with a force that depends on their masses and the distance between them

law of universal gravitation

400

force of air resistance equals the objects weight during free-fall

terminal velocity

400

special form of inclined plane that modifies force and directs it to the side

wedge

500
Built upon this man's ideas

Galileo

500

the resistance to motion

friction

500

Distance traveled in a given time

speed

500

Vector showing the combined effect of 2 or more vectors

resultant

500

combination of fixed and movable pulleys

block and tackle

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