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Edexcel IGCSE Physics Topic 1 - Forces And Motions




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 use and recall the equations and the units for this unit as shown in the equation sheet

 • I can draw and interpret distance-time graphs

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

 • I can recall and use the equation linking average speed, distance and time

 • I can recall and use the relationship between acceleration, final velocity, initial velocity and time taken

 • I can draw and interpret velocity-time graphs

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

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

 • I can use the equation linking final speed, initial speed, acceleration and distance moved

 • I can describe how forces change the motion of objects

 • I can identify different forces

 • I can define the terms scalar and vector quantities

 • I can recall that force is a vector quantity

 • 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 recall that friction is a force opposite to motion

 • I can recall and use the equation linking unbalanced force, mass and acceleration

 • I can recall and use the equation linking weight, mass and gravitational field strength

 • I can recall that stopping distance of a vehicle is made up of thinking distance + braking distance

 • I can recall factors affecting the stopping distance of a vehicle

 • I can describe the forces acting on falling objects

 • I can describe a practical experiment that shows how extension changes with force applied on springs, wires and rubber bands

 • I can show which part of a graph relates to Hooke’s law

 • I can describe ‘elastic behaviour’

 • I can recall and use the equation linking momentum, mass and velocity

 • I can use the idea of momentum to explain safety features

 • I can use the law of conservation of momentum to calculate the mass, velocity or momentum of objects

 • I can use the equation linking force, change in momentum and time taken

 • I can describe and explain Newton’s third law

 • I can recall and use the equation linking the moment of a force and its perpendicular distance from the pivot