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On The Move - Coggle Diagram
On The Move
Force.
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Contact forces
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Thrust force occurs when an object accelerates mass in one direction in order to propel it in the opposite direction
Friction opposes the sliding of 2 objects. electrons repel each other. Friction 3 objects that come in contact and move relative to each other.
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Non contact force
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Electrostatic force - it atoms have same ammount of negativly charged electrons they repel. if different they attract eachother.
Weight
Mass is measured by the amount of matter that is present in an object and is measured in Kgs. The mass on an object never changes, no matter where it is.
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Earths gravitational is 9.8 newtons per kilogram (10n/kg). E.g picking up an object with a mass of 1 kg, then their is a force of 9.8N caused by earths gravitational feild.
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Newtons Laws
- every action has an equal and opposite reaction
- force = mass x acceloration
- velocity is constant until acted upon by ecternal force.