PS(10/21/24): Mechanical Systems

What are mechanical systems integral to in our daily lives?

• Cooking food

• Powering household appliances and industrial machinery

• Growing plants

• Cleaning water

What basic principles do mechanical systems utilize to convert energy into useful work?

• Chemistry

• Biology

• Physics

• Mathematics

This diagram is an example of simple machine which is:

• Pulley

• Lever

• Wheel and Axle

• Inclined Plane

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 component of a mechanical system is used to change the direction of 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 distance

• To change the direction of applied force

• To reduce friction in movement

• To spread work over a longer distance

How do inclined planes make it easier to move objects?

• By amplifying force or distance

• By changing the direction of applied force

• By reducing friction in movement

• By spreading the work over a longer distance

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

What are screws primarily used for in mechanical systems?

• Storing mechanical energy

• Transmitting rotational motion

• Fastening or creating mechanical advantage

• Generating heat

How do springs function in mechanical systems?

• By transmitting rotational motion

• By storing mechanical energy when compressed or stretched

• By fastening objects together

• By conducting electricity