Forces and Motion
Energy, Speed, and Mass
Solving Mechanical Problems
Vocabulary
More Vocabulary
100
Another name for drag
What is air resistance
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
Professionals who use scientific knowledge and mathematics to solve a problem by creating new technologies
What is engineers
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
Rapid increase
What is exponentially
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
Energy that moves an object
What is mechanical energy
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
Changes in a ratio at the same rate
What is proportional
400
A technology that moves uses mechanical energy to perform work
What is machine
500
Newton's three laws of motion
What are inertia, acceleration, action-reaction
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
A system within a larger system
What is subsystem
500
An object at rest or motion will stay at rest or motion unless acted upon by an outside force.
What is inertia
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