PAE(11/13/24): Describing Applications of Mechanical Systems

What are mechanical systems integral to in our daily lives?

• Cooking food

• Powering household appliances and industrial machinery

• Cleaning the environment

• Growing plants

Which principle of effective mechanical system design focuses on minimizing complexity to reduce potential failure points and ease maintenance?

• Safety

• Simplicity

• Scalability

• Reliability

What does the principle of safety in mechanical system design emphasize?

• Maximizing output

• Incorporating fail-safes and considering user interaction

• Ensuring consistent performance

• Designing adaptable systems

Which principle involves maximizing output while minimizing energy input and losses due to friction?

• Efficiency

• Sustainability

• Reliability

• Scalability

What is the primary function of a lever in a mechanical system?

• To change the direction of applied force

• To amplify force or distance

• To reduce friction in movement

• To spread work over a longer distance

Which simple machine is used to change the direction of an applied force?

• Lever

• Pulley

• Wheel and Axle

• Wedge

What is the main advantage of using wheels and axles in mechanical systems?

• To amplify force or speed

• To change the direction of force

• To spread work over a longer distance

• To taper to a thin edge

How do inclined planes make it easier to move objects vertically?

• By amplifying force

• By reducing friction

• By spreading the work over a longer distance

• By changing the direction of force

What is a wedge primarily used for in mechanical systems?

• To amplify force

• To change the direction of force

• To reduce friction

• To split or cut materials

What is the primary function of gears in mechanical systems?

• To store mechanical energy

• To transmit rotational motion and change speed, direction, and torque

• To fasten objects together

• To provide electrical power