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Year 7 Forces Learning Objectives
Pupils should:
1. know that a force is a push, a pull or a twist
2. know that force is measured in units called newtons (N) using a newtonmeter
3. know that we can use an arrow to represent forces and that the length of the arrow indicates the size of the force whilst the direction of the arrow indicates the direction of the force
4. know that more than one force can act on an object
5. be able to recognise different forces acting on objects
6. be able to calculate the size and direction of a resultant force
7. know that if the resultant force is zero then there is no change in speed or direction of the object
8. know that if the resultant force is not zero then there may be a change in speed, shape and/or direction of the object
9. know that force of gravity pulls all objects towards the centre of the Earth
10. know that force of gravity decreases with distance but increases with mass
11. know that the force of gravity acting on an object is called weight and measured in newtons
12. be able to calculate weight using the equation weight = mass x gravitational field strength
13. know what friction is and how it is caused
14. know and be able to explain uses and problems caused by friction
15. know how to reduce friction by the application of streamlining and lubrication
16. know that speed is a measure of how far an object travels in a certain time
17. know that average speed = distance / time
18. know that speed is measured in units of metres per second (m/s)
19. know how to convert km/hr to m/s
20. know how to measure speed
21. know how to plot distance/time graphs
22. know how to calculate the speed from the gradient of a distance/time graph
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