Show:
Fluid and Motion
Work and Machines
Work and Power
Machhhene!
Rhyme Time
100
Planes reduce turbulence by using these.
What are flaps?
100
This is done when a force causes an object to move in the direction of the force.
What is work?
100
This is how fast energy moves from one object to another.
What is power?
100
This is something that makes work easier. Give two examples.
What is a machine?
100
An overfed feline
What is a fat cat?
200
This principle states that a fluid contained in a vessel exerts a pressure of equal size in all directions.
What is Pascal's Principle?
200
These to things must happen to do work on an object.
What is force being applied and object moves in the direction of the force?
200
This refers to when power is written in the units joules per second (J/s).
What is a watt?
200
The work you do on a machine is this.
What is input force?
200
An unmotivated flower
What is a lazy daisy?
300
Forklifts and bulldozers lift objects through the use of these devices
What are hydraulics devices?
300
The this of a machine compares a machine's work output with the work input.
What is mechanical efficiency?
300
A light bulb is on for 15 s, and during that time is uses 1500 J of electrical energy. Calculate the power wattage (power output) of the lightbulb.
What is 100 w?
300
When using a screwdriver to open a paint, it is this force that is applied
What is input force?
300
A sick and puking adolescent
What is a green teen?
400
If a pitcher wants a ball to curve away from a left handed batter, the ball must rotate is this direction.
What is clockwise?
400
Calculate how much work is being done when pushing a car 30 m with a force of 300 N.
What is 9000 J?
400
True or False: Mr. Yurk is down work when pushing a stationary object. Explain.
What is False? The object has not moved in the direction of the force.
400
The work done by the machine called this.
What is output force?
400
An artificial small horse
What is a phony pony?
500
This clue is not part of "Fluid and Motion". I ran out of space. :-) A machine's this tells you how much the force increases.
What is mechanical advantage?
500
The unit of work is the newton-meter (Nxm). It is also known as this.
What is a Joule?
500
"True" or "False": Mr. James is doing work when he picks up his fly leather briefcase and walks out of the classroom.
What is true when he picks up the fly bag but does not do any more work while he walks away?
500
Some work done by a machine is lost to this.
What is Friction?
500
A grizzly that plays by the rules.
What is a fair bear?