A mechanical device that makes work easier
What is a simple machine?
A change in the position of an object
What is motion?
A simple machine that looks like this
What is a lever?
Speed
What is Distance / Time?
This is the point on which a lever turns or pivots
What is a fulcrum?
Two forms of mechanical energy
A simple machine that moves this water barrel
What is a pulley?
Distance
What is Speed x Time?
These three simple machines are missing from this list: pulley, lever, wheel and axle.
What are inclined plane, wedge, and screw?
Definition of acceleration
What is a change in velocity?
A simple machine that functions like this
What is a wheel and axle?
Momentum
What is Velocity x Mass?
What is mechanical advantage?
Hitting a ball with a baseball bat is an example of this
What is Newton's Third Law?
A simple machine that looks like this
What is a wedge?
Newton's Second Law of Motion
An inclined plane reduces effort by doing this.
What is moving an object upward at a slower incline?
Sir Isaac Newton continued this scientist's work to develop the three laws of motion
Who is Galileo Galilei?
A simple machine used by most lightbulbs
What is a screw?
A 1,500-kilogram car is moving south at a speed of 15 meters per second. Calculate the car's momentum.
22,500 kgm/s