1.5 Mechanical Systems/Devices

Question 1

Name the 4 Mechanisms

Answer 1

-Linear
-Rotary
-Oscillating
-Reciprocating

Question 2

Describe a linear Motion And give a example

Answer 2

• It’s where you move in a straight line for example a Train

Question 3

Describe a Reciprocating motion and give a example

Answer 3

-Its where you move front and back For example a piston

Question 4

Describe a Oscillating Motion and give a example

Answer 4

• Its where it move back forth in a arc shape For example a clock

Question 5

Describe a Rotary Motion and give a example

Answer 5

• Its where you move in a circle For example a wheel

Question 6

What is a Lever

Answer 6

• Its where you move and lift loads by rotating and stationary points called fixed pivots.

Question 7

What’s The Equation To Calculate Mechanical Advantage?

Answer 7

• load ÷ effort.

Question 8

What’s in the middle of a first order

Answer 8

Pivot

Question 9

What’s in the middle of a Second order

Answer 9

Load

Question 10

What’s in the middle of a third order

Answer 10

Effort

Question 11

Whats a Bell crank

Answer 11

a lever with two arms which have a common fulcrum at their junction.

Question 12

What’s a push-pull Linkage

Answer 12

its two fixed pivots to make the input and output travel in the same direction, through a link arm

Question 13

What’s a

Answer 13

its two fixed pivots to make the input and output travel in the same direction, through a link arm

Question 14

What do Pulleys help

Answer 14

They help lift Load

Question 15

What the Equation for gear Ratio

Answer 15

number of teeth on driven ÷ Number of teeth on driver

Question 16

what turns the driver gear

Answer 16

• Its turned by a hand or a motor

Question 17

What turns the driven gear

Answer 17

the driver as they both turn towards each other

Question 18

Name 4 of the cams

Answer 18

• Circular Cam
  -Pear Cam
  -Snail Cam
• Four lobed Cam