Dragster Design Post Test Review

A rough sketch contains detailed dimensions?

• false
• true

What is the formula for acceleration?

• Acceleration = Force / Mass
• Acceleration = Force ● Mass
• Acceleration = Distance / Time
• Acceleration = Mass / Force

Of the following, which is most likely a criterion and not a constraint?

• vehicle must roll on wheels

• no more than two axles

• cannot exceed 10 m/s

• maximum height of 3 inches

A CO2 car is placed at the top of a ramp and released without a push. A car that rolls farther has which of the following?

• less rolling friction
• better color
• larger wheels
• smaller wheels

To think how to make a product and prepare sketches is to...

• plan

• test

• improve

Which of the following is NOT a factor in the speed of a CO2 dragster?

• color
• mass
• friction
• aerodynamics

Which of the following is the best product for an inventor to provide as documentation for an invention?

• prototype
• sketch
• photograph
• diary

In an experiment, if you slide the same object over both a rough and a smooth surface, which surface will likely show a quicker stop of the object?

• The smooth surface

• The rough surface

• Both will stop at the same time

• It depends on the weight of the object

Tags

DOK Level 2: Skill/Concept

A bowling ball is rolling down a ramp with a certain speed.

Which change to the system will increase the ball’s speed most?

• Increase the mass of the bowling ball.

• Decrease the initial force

• Increase the steepnes of the ramp

• 
  

  Decrease the steepnes of the ramp

  
  

What is a constraint?

• a restriction or boundary that helps limit what solutions are available

• a solution to a problem

• a group of parts that work together for a common purpose

• the exclusive right to manufacture and sell an invention