VERDAGUER UT3 CLIL Machines & mechanisms

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1 What is a simple machine?

1. Device or machine that does not require an instruction manual to operate.

2. Device that only requires one person to operate

3. Machine that does not require the power to operate.

4. Device or machine that only requires the application of a force to operate

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2 Which of these answers is missing a simple machine?

1. The inclined plane and lever

2. The lever and the gear

3. The wedge and the inclined plane

4. The inclined plane and the wheel

3 What is a mechanism?

1. A combination of simple machines that allow forces and movements.

2. Two gears that facilitate physical work

3. Machine used in factories to build consumer goods.

4. Big mechanism composed with other smaller mechanisms

4 What is a machine?

1. Device or machine that does not require an instruction manual to operate.

2 Machine that does not require the application of power to operate.

3. Structure, group of mechanisms and energy that allow you to do physical work

4. Device that only requires one person to operate

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5 Which of this options is correct?

1. When the force increases, the speed decreases.

2. When the distance increases, the force decreases.

3. Increasing time of use improves performance

4. When the power increases, the force increases

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6 The transmission ratio indicates ...

1. The turns made by the driver in relation to the driven

2. How the motion is transmitted to the driver

3. How the motion is transmitted to a pulley

4. How power transmission is related to a motor

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7 Which of these mechanisms allows you to convert circular motion into rectilinear motion?

1. A rack and pinion mechanism

2. A two-gear mechanism

3. A pulley and belt mechanism

4. A connecting rod-crank mechanism

8 Considering the formula: P=2π·r , if the radius of your wheel is 2cm, how many cm will it move in one turn?

1. 25,12 cm

2. 12,56 cm

3. 4 cm

4. 6,28 cm

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9 Which of these objects is a connecting rod?

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