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Laabri

Year 9 Assessment Movement and mechanisms

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Last updated over 5 years ago
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1.

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

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2.

Name the type of movement shown in the image:

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3.

Name the type of movement shown in the image:

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4.

Name the type of movement shown in the image:

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5.

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

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6.

Define what a mechanism is and provide an example.

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7.

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

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8.

Name the cam profile:

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9.

Name the cam profile:

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10.

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

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11.

Pine is a type of hardwood or softwood?

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12.

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

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13.

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

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14.

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

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15.

What class of lever does the image show?

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16.

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

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17.

Name two examples of where gear mechanisms are used.

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18.

What are two or more gears working together called?

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19.

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

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20.

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

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21.

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

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22.

Explain how a Driven gear is turned.