1. Which of these letters correctly shows the centre of gravity of this shape? |
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2. Which of these graphs shows inceasing acceleration? |
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3. If a force acts at 90 degrees to a moving vehicle, it will make the vehicle
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4. If there are no resultant forces acting on a system, it is said to be in
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5-8: These questions are about a see-saw. When different children sit on the see-saw they find they have to move to different points to make the see-saw balance. What are the missing values needed to make the see saw balance? |
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9. Which of the following are vector quantities?
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10. Two vectors X and Y are to be added. Which of these correctly shows the result? |
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When divers go deep under water, the pressure increases. What are the missing values in this table showing pressure increase ? (Density = 1000 kg/m3)
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14. There are several devices used to measure pressure, including...
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15. What is 'Brownian Motion'?
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16. It is difficult to measure very high temperatures with a standard thermometer. Instead, a device using a pair of metals in contact is used, called a
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17. A kettle is filled with 1 kg of boiling water. It is turned on and the energy supplied is measured as the water is boiled away. The mass of water remaining can be measured after a certain amount of energy is supplied. This experiment is used to find the
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