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Edexcel GCSE Physics Topic 2 - Motion And Forces




Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you.

  

 • I can define the terms scalar and vector quantities  Video 1  Video 2 

 • I can describe distance as a scalar quantity

 • I can describe displacement as a vector quantity

 • I can describe speed as a scalar quantity 

 • I can describe velocity as a vector quantity

 • I can describe acceleration as a vector quantity

 • I can describe force as a vector quantity

 • I can describe weight as a vector quantity

 • I can describe mass as a scalar quantity

 • I can describe momentum as a vector quantity

 • I can describe energy as a scalar quantity

 • I can recall the difference between speed and velocity

 • I can recall the units needed for s = vt

 • I can rearrange s = vt

 • I can use s = vt

 • I can draw and interpret distance-time graphs

 • I can calculate the speed of an object from a distance time graph

 • I can recall the units needed for a = (v-u)/t

 • I can rearrange a = (v-u)/t• I can use a = (v-u)/t

 • I can recall the units needed for v2 – u2 = 2as

 • I can rearrange v2 – u2 = 2as• I can use v2 – u2 = 2as

 • I can draw and interpret velocity-time graphs

 • I can calculate the distance travelled by an object from a velocity-time graph

 • I can define acceleration

 • I can calculate the acceleration of an object from a velocity-time graph

 • I can describe how to use equipment to work out the speed of an object

 • I can recall the typical speed for; wind; walking; running; cycling and other methods of transport

 • I can recall the value for acceleration under gravity is 10m/s2

 • I can give examples of contact and non-contact forces

 • I can represent the forces acting on an object as vectors

 • I can calculate the resultant force on an object

 • I can describe how an object is moving if the resultant force on it is 0

 • I can apply Newton’s First Law to explain the motion of objects

 • I can describe the relationship between the mass of an object and its acceleration

 • I can recall the units needed for F = ma (Newton’s Second Law)

 • I can rearrange F = ma• I can use F = ma

 • I can investigate F = ma

 • I can recall the difference between weight and mass

 • I can recall how to measure weight

 • I can recall the units needed for W = mg

 • I can rearrange W = mg

 • I can use W = mg

 • I can describe situations where an object has a constant speed but is changing velocity - Higher tier only

 • I can describe the resultant force in a circle as centripetal force - Higher tier only

 • I can describe inertia - Higher tier only

 • I can describe what happens when two objects interact (Newton’s Third Law)

 • I can describe momentum as a property of moving objects - Higher Tier Only

 • I can state the law of conservation of momentum - Higher Tier Only

 • I can recall the units needed for p = mv - Higher Tier Only

 • I can rearrange p = mv - Higher Tier Only

 • I can use p = mv - Higher Tier Only

 • I can calculate momentum when two objects collide - Higher Tier Only

 • I can recall the units needed for F = mv-mu/t - Higher Tier Only

 • I can rearrange F = mv – mu/t - Higher Tier Only

 • I can use F = mv – mu/t - Higher Tier Only

 • I can explain how to measure reaction times

 • I can describe stopping distance as a combination of reaction time and breaking distance

 • I can describe the factors that affect reaction time

 • I can describe the factors that affect breaking distance

 • I can explain why rapid large deceleration is dangerous

 • I can estimate the forces in rapid large deceleration - Higher Tier Only

 • I can estimate the distance required for a vehicle to stop

 • I can recall that to stop a car the work done by the brakes must be to the initial kinetic energy

 • I can use describe how kinetic energy changes over time

 • I can recall the units needed for KE = ½ mv2

 • I can rearrange KE = ½ mv2

 • I can use KE = ½ mv2

 • I can recall the units needed for E = Fd 

 • I can rearrange E = Fd

 • I can use E = Fd