__LYNA__

__PT02 Fornalha__

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**Mechanical comprehension test:**

**Q1: Which wire is carrying the most weight? ** **B**

- A
- B
- No difference
- Depends on the time of day

**Q2: Which object will not float on water? ****Scissors**

- Empty plastic bottle
- Wooden pencil
- Banana
- Scissors

**Q3: Which way will the boat go through the water? **** ****A**

- A
- B
- It will continue moving unchanged
- It will slow down but without changing direction

**Q4: At which position will the moving pendulum travel the fastest? B**

- A
- B
- C
- No difference

**Q5: Where is the temperature change highest throughout the day? A**

- A
- B
- Where both meet
- No difference

**Q6: If cog A turns clockwise by 20 rotations, how will cog B turn? ****10 rotations anticlockwise**

- 20 rotations anticlockwise
- 20 rotations clockwise
- 10 rotations anticlockwise
- 10 rotations clockwise

**Q7: To balance the bar, how much weight should be positioned on the left side? ****2.5 kg**

- 25 kg
- 10 kg
- 5 kg
- 2.5 kg

**Q8: If block B is moved to the right by 20 cm, **

**by how many centimetres will block A move upwards? **** 20 cm**

- 5 cm
- 10 cm
- 20÷3 cm
- 20 cm

**Q9: A block slides down an inclined plane with an acceleration of A.**

** If the mass of the block is doubled, how will this affect its acceleration? ****0.5 x A**

- Acceleration will still be A
- 2 x A
- 0.5 x A
- A²

**Q10: If the right plunger is moved down by 5 cm,**

**how much will the left plunger move up? ** **Less than 5 cm**

- Exactly 5 cm
- Less than 5 cm
- More than 5 cm
- It won't move