M3 (11) - Simple Machines Introduction

Front

Which one is a cam?

Back

Front

What is operated by a cam in the car engine?

Back

Fuel Valves

Front

Example of an inclined plane: Rope, Ramp, Wheel chair, Crowbar

Back

Ramp

Front

Which of the following is TRUE?
- Ramps increase work
- Ramps make it harder to move things
- Ramps reduce the amount of effort
- Inclined planes are only found in buildings

Back

Ramps reduce the amount of effort

Front

Which is NOT an example of an inclined plane? Options:

Ramp

,

Stairs

,

Wheel barrow

,

Wedge

Back

Wheel barrow

Front

Mechanical Advantage = length of slope / height of slope

Back

6

Front

Mechanical Advantage = length of slope / height of slope

Back

3

Front

Simple machines work in 3 different ways. Which is NOT one of these?

• Changes the size of a force
• Change the direction of force
• Makes things lighter
• Makes things speed up

Back

Makes things lighter

Front

Which is not a type of simple machine? Options: spring, screw, pulley, wedge

Back

spring

Front

What type of wood screw is this? Options: Countersunk, Twinfast, Round head, Coach

Back

Countersunk