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Forces and Motion
Energy, Speed, and Mass
Solving Mechanical Problems
Principles/Vocabulary
More Vocabulary
100

Another name for drag

What is air resistance/friction

100
Distance over time
What is speed
100
A vehicle that travels over land and water on a cushion of air
What is hovercraft
100
Sudden change in shape of structure under load

Buckling

100
Energy that is released or doing work
What is kinetic energy
200
More massive sleds need...
What is more force
200
Relationship between kinetic energy and mass
What is linear relationship
200
A machine that moves passengers or goods from one place to another.
What is vehicle
200

Maximum stress a material can while being stretched

What is Ultimate tensile strength

200
An increase of speed over time
What is acceleration
300
This is a set of connected parts that transform an input of energy into a different output of energy
What is energy system
300
The rate at which an object changes its position in a specific direction
Who is velocity
300
Name the four forces that mechanical engineers need to balance when designing a vehicle.
What is thrust, drag, lift, and gravity
300
Energy that is being stored
What is potential energy
300

Material properties independent of direction

What is Isotropic?


400
This is the measurement of acceleration
What is m/s^2
400
This is how a race car is an energy system
What is input: chemical energy; output: mechanical energy
400
This is a field of engineering concerned with using mechanics and energy to design and build machines
What is mechanical engineering
400

An increase in the speed of a fluid occurs simultaneously with a decrease in static pressure/potential energy

What is Bernoulli's Principle

400

Measure of disorder in system

What is entropy

500

____________ is conserved when net total torque is zeroNewton's three laws of motion

What is Angular momentum

500
Relationship between kinetic energy and speed
What is nonlinear relationship
500
Name the six subsystems of a vehicle
What is propulsion, suspension, control, guidance, structural, and support
500

Energy can neither be created nor be destroyed

What is First Law of Thermodynamics?


500

The sum of the internal energy added to the product of the pressure and volume of the system

What is enthalpy