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

• I can define acceleration

• 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 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 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