Year 9 Assessment Movement and mechanisms

1

1. Name the type of movement shown in the image:

1

Name the type of movement shown in the image:

1

Name the type of movement shown in the image:

1

Name the type of movement shown in the image:

6

What types of movement can you identify in the image above? Linear, reciprocating, rotary or oscillating? Explain your answer. (6 marks)

2

Define what a mechanism is and provide an example.

1

The image below shows a Cam and follower mechanism. Select the correct statement to descibe the movement of the mechanism:

1

Name the cam profile:

1

Name the cam profile:

2

Name a material property of wood that makes it a suitable choice for a childrens toy? Explain your answer.

1

Pine is a type of hardwood or softwood?

1

Acrylic is a type of : wood , plastic or metal?

2

Why is laser cutting acrylic cams a suitable method of manufacture for the cams in the making of a mechanical toy? Explain your answer.

1

A wheelbarrow is an example of a third-class lever mechanism. On the image what does A.) represent?

1

What class of lever does the image show?

2

Explain why it is important to add annotations to design drawings.

2

Name two examples of where gear mechanisms are used.

1

What are two or more gears working together called?

1

What is the purpose of the idler gear in this image? Explain your answer.

2

Does gear ‘C’ revolve faster or slower than gear ‘A’? – explain your answer. (2 marks)

1

In this image the driver gear turns in an anticlockwise direction, which direction does the driven gear turn?

1

1. Name the type of movement shown in the image:

Name the type of movement shown in the image:

Name the type of movement shown in the image:

Name the type of movement shown in the image:

What types of movement can you identify in the image above? Linear, reciprocating, rotary or oscillating? Explain your answer. (6 marks)

Define what a mechanism is and provide an example.

The image below shows a Cam and follower mechanism. Select the correct statement to descibe the movement of the mechanism:

Name the cam profile:

Name the cam profile:

Name a material property of wood that makes it a suitable choice for a childrens toy? Explain your answer.

Pine is a type of hardwood or softwood?

Acrylic is a type of : wood , plastic or metal?

Why is laser cutting acrylic cams a suitable method of manufacture for the cams in the making of a mechanical toy? Explain your answer.

A wheelbarrow is an example of a third-class lever mechanism. On the image what does A.) represent?

What class of lever does the image show?

Explain why it is important to add annotations to design drawings.

Name two examples of where gear mechanisms are used.

What are two or more gears working together called?

What is the purpose of the idler gear in this image? Explain your answer.

Does gear ‘C’ revolve faster or slower than gear ‘A’? – explain your answer. (2 marks)

In this image the driver gear turns in an anticlockwise direction, which direction does the driven gear turn?

Explain how a Driven gear is turned.