Doing Work
The equation we use to calculate Work
Work = Force x Distance
How far something moves.
Distance
Rigid bar that turns around a fixed point.
Lever
Machine with few or no moving parts that makes it easier to do work. There are 6 of these.
Simple Machine
A ramp is an example of a(n) _________.
Inclined Plane
The units of measurement for a) distance b) force and c) work
a) Meters b) Newtons c) Joules
A push or a pull
Force
A large circular object fixed to a smaller circular object or shaft
Wheel & Axel
The result of a force moving an object over a distance.
Work
A seesaw is an example of a(n) _________.
Lever
The amount of work done when you use 12 Newtons of force to pull a wagon 7 meters
84 Joules
Force caused by one object rubbing against another
Friction
A flat surface with one end higher than the other.
Inclined Plane
The force that pulls objects toward the center of the Earth
Gravity
Car tires are an example of a(n) ________
Wheel & Axel
The amount of force it takes to do 105 Joules of work over a distance of 3 meters.
35 Newtons of force
Any tool that makes it easier to do work.
Machine
A kind of wheel with a groove for a rope or cable
Pulley
How far an object moves in a certain amount of time.
Speed
An elevator is an example of a(n) _________.
Pulley
The amount of work done when you apply 16 Newtons of force to open a door 150 centimeters wide
24 Joules
The point around which a lever pivots or turns.
Fulcrum
An inclined plane wrapped around a rod.
Screw
Ability to do work.
Energy
The head of an axe is an example of a(n) _________
Wedge