Question | Answer |
What is the difference between mass and weight? |
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If a person has a mass of 50Kg, what is their weight on Earth? |
| How do we work out Gravity? (what is the calculation) |
| Who discovered the force of gravity? |
| Name the planets in order from the Sun |
| How many days does it take for Earth to orbit the Sun? |
| A car is travelling at 40 m/s for 15 seconds. How far has it travelled? |
| A car has a speed of 10 m/s and it travelled a ditance of 100 m. How long did it take to get there? |
| A car took 15 seconds to go 25 metres, what is its speed? |
| A drawing pin has an area of 0.002 m, it is push into a cork board with a force of 10 N. What is the pressure? |
| A persons foot has an area of 0.5m, the pressure exerted on the floor is N/m. What is the force? |
| What two factors affect pressure? |
| What is the calculation for working out moments? |
| A boy weighs 500N. He is sat on a see-saw 10m away from the pivot. Work out the moment. |
| Why is the force of air resistance bigger when the car is travelling at a fast speed? |
| In the past, scientists used to think there was only 6 planets in our solar system. What does this tell you about our knowledge of the solar system today? |
| What causes scientists to reject an idea and replace it with a new one? | |