Bite Size Question 13

Mechanisms:

The figure below shows a wheelbarrow.

Source: http://sweetclipart.com/wheelbarrow-line-art-1107

a) Identify the class of lever used in the figure above. [1]

b) Sketch out the wheelbarrow and mark the positions of the load (L), fulcrum (F) and effort (E) clearly using arrows. [4]

Bite Size Question 12

Mechanisms:

1. A spur gear system is one of the gear systems used in machines.

a) Identify and sketch out another 2 types of gear mechanisms. [4]

Bite Size Question 11

Structures:

1. Structures can be be made more rigid and firm using reinforcements.

a) Identify and sketch out 2 types of reinforcement used in structures. [4]

Bite Size Question 10

Structures:

1. The figure below shows a man on a diving board.

Source: http://vecto.rs/1024/vector-of-a-cartoon-man-hugging-a-diving-board-outlined-coloring-page-by-ron-leishman-19352.jpg

a) Redraw the diagram and mark the position of the forces acting on the diving board. [3]

b) Name the force/s experienced by the diving board. [3]

Bite Size Question 9

Structures:

1. Structures can be categorised as frame and shell structures.

a) Explain the difference between a frame and a shell structure. [2]

b) Name an example of each type of structure. [2]

Bite Size Question 8

The figure below shows two type of drawings.

Source: http://www.flickr.com/photos/93090508@N07/8461937487/

a) Name the type of drawings shown above. [2]

b) Explain the purpose of the drawings used. [2]

Bite Size Question 7

1. The figure below shows a type of drawing.

Source: http://www.nomenclaturo.com/tag/acoustic-guitar

a) Name the type of drawing shown in the figure above. [1]

b) Explain why this type of drawing is used. [2]