Pre-Engineering Dragster/Glider

To design a product, one must carefully consider ______.

• how it will be powered

• its purpose or function

• how much profit it will produce

• how many people will want to buy it

The dragster you designed was powered by _____.

• gas escaping from a cartridge

• a chemical reaction

• electricity

• gasoline

The structure that joins together the power, suspension, guidance and control subsystems is the _____.

• frame

• chassis

• axle

• support

What transportation vehicle subsystems did you need to consider in your dragster engineering design challenge?

• Power, Suspension, Control, and Structure

• Power and Suspension

• Suspension, Guidance, and Support

• Power, Guidance, Structure, and Support

The desire to improve existing technologies or solve technological problems drives _____.

• market and cost

• innovation and invention

• function and design

• mass production

Factors than can be changed in a design are called _____ and factors that cannot be changed are called _____ .

• decisions, variables

• constants, variables

• variables, constants

• constants, relationships

Acceleration will increase if _____.

• mass increases

• speed and mass decrease

• force increases or mass decreases

• force is divided by the mass

Newton’s second law of motion can be expressed mathematically as _____.

• force = mass × acceleration

• force = weight × speed

• velocity = mass × force

• force = mass / acceleration

Acceleration and velocity _____.

• mean the same thing as speed

• are related but different factors

• can be calculated with the same mathematical equation

• have the same units of measure

Acceleration can be defined as _____.

• Change in velocity over time

• Amount of energy used in a specific time period
• Force exerted on an object
• Distance traveled in a given time