DnT- Mechanical Systems Definitions Flashcards Preview

Grade 9 November Exams > DnT- Mechanical Systems Definitions > Flashcards

Flashcards in DnT- Mechanical Systems Definitions Deck (12):
1

System

A group of objects or components that work together to perform a function

2

Lever

A rigid bar, that pivots a fulcrum to transmit a force

3

Mechanical Advantage

The ability of a system to make work easier

4

Gear

A wheel with cogs (teeth)

5

Gear train

Two or more gears connected (meshed) together

6

Gear ratio

How many time the driver gear turns in comparison to the driven gear

7

Gearing up

When the driven gear turns faster than the driver gear

8

Gearing down

When the driven gear turns slower than the driver gear

9

Pulley

A simple machine that uses grooved wheels and rope to raise, lower or move a load

10

Compound pulley

Two or more pulleys connected together that creates Mechanical Advantage

11

Belt drive

Pulley systems that are joined by means of a belt

12

Hydraulics

Mechanical systems that use the movement of liquid to produce an output

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