Lesson 1.1 - 1.5

What is a driven gear?

• A gear that drives another gear

• A gear that is driven by another gear

• A gear that is not part of a gear train

• A gear that is used for decoration

What is a driving gear?

• A gear that transmits power from the engine to the wheels

• A gear used for reversing the vehicle

• A gear that controls the speed of the vehicle

• A gear used for parking the vehicle

Identify the input and output of a mechanical system.

• The input is the energy supplied to the system, and the output is the work done by the system.

• The input is the work done by the system, and the output is the energy supplied to the system.

• The input and output are both the energy supplied to the system.

• The input and output are both the work done by the system.

What is a prototype?

• A working model of a product

• A final version of a product

• A theoretical concept

• A marketing strategy

Define autonomous.

• Operating without direct human control.

• Dependent on others

• Controlled by external forces

• Lacking self-control

What are motors?

• Devices that convert electrical energy into mechanical energy

• Instruments used to measure temperature

• Tools for cutting materials

• Machines for processing data

Explain how you can support your drive shaft from unwanted motion and friction. Name specific materials you can use to make your build sturdy.

• Use shaft collars, keps nuts, and spacers.

• Apply grease and use plastic components.

• Use rubber mounts and wooden materials.

• Apply oil and use copper components.

What is the value of incrementally building and programming solutions?

• It allows for continuous improvement and adaptation.

• It leads to a rigid and inflexible system.

• It increases the complexity of the solution.

• It decreases the overall quality of the solution.

Algorithmic thinking is defined as:

• A process of solving problems using a step-by-step method

• A way of thinking that involves creativity and intuition

• A method of memorizing facts and figures

• A technique for artistic expression

Define a flow chart.

• A diagram that represents a process or algorithm

• A type of chart that shows data trends over time

• A graphical representation of a mathematical function

• A tool used for statistical analysis