Engineering Midterm

Which type of engineer is responsible for designing and maintaining infrastructure such as roads and bridges?

• Civil Engineer

• Mechanical Engineer

• Electrical Engineer

• Software Engineer

_____ engineers work on solving environmental problems by developing technologies that reduce pollution.

• Chemical

• Environmental

• Biomedical

• Industrial

What is a simple machine?

• A machine that only operates using electrical energy.

• A device that uses a single force to perform work.

• A machine with multiple moving parts that requires complex calculations.

• A machine that changes the direction of force without using any input force.

Which of the following is NOT a type of simple machine?

• Lever

• Pulley

• Gear

• Wheel and axle

What is the primary purpose of a simple machine?

• To increase the amount of energy required to do a task.

• To change the direction of the force.

• To decrease the distance over which a task is performed.

• To make the work harder to complete.

What is mechanical advantage (MA)?

• The distance a machine can move an object.

• The ratio of the output force to the input force.

• The amount of energy needed to operate a machine.

• The speed at which a machine works.

Which type of simple machine is a seesaw?

• Lever

• Pulley

• Inclined plane

• Wheel and axle

A wheelbarrow is an example of which type of simple machine?

• Pulley

• Lever

• Wheel and axle

• Inclined plane

What is the mechanical advantage of a ramp (inclined plane) if the distance along the ramp is 4 meters and the height is 2 meters?

• A. 2

• B. 4

• C. 8

• D. 1

What is G force?

• A type of energy

• A force experienced due to gravity

• A measure of speed

• A type of friction