Additional Science: P2 Physics
Forces & Motion
Define & calculate resultant force & describe its effect on moving & stopped objects.
Calculate acceleration ( a=v-u/t) and force (f=-ma)
Draw and interpret distance-time graphs
Define velocity and calculate speed (speed=d/t)
Interpret velocity-time graphs
Forces & Braking
Label the forces acting on an object & how they affect braking.
Define stopping distance, braking distance and thinking distance.
Explain the factors affecting braking and thinking distance.
Forces & Terminal Velocity
Calculate the weight of an object (W=mxg)
Explain how air resistance changes & how terminal velocity is reached in a falling object.
Draw & interpret velocity-time graphs for a falling object.
Forces & Elasticity
Describe how forces acting on an object can change its shape.
Explain how this can store elastic potential energy.
Calculate the force on an elastic object (F=kxe)
Forces & Energy
Define and calculate work done (W=Fxd)
Calculate the power of an object (P=E/t)
Describe and calculate gravitation potential energy (Ep=mxgxh)
Calculate kinetic energy (Ek=1/2xmxv2)
Momentum
Describe the conservation of momentum and calculate momentum (p=mxv)
Calculate momentum before and after a collision or explosion.
Static Charges
Explain how static charge can be built up on insulating materials.
Describe when materials will repel or attract each other.
Electrical Circuits
Describe what current is and calculate it (I=Q/t)
Describe what potential difference is and calculate it (V=W/Q)
Draw and interpret circuit diagrams, using the correct circuit symbols.
Describe the relationship between resistance, current & potential difference (V=IxR)
Explain the application of thermistors & LDRs in circuits, based on how their resistance
changes.
Interpret current-potential difference graphs for resistors, filament bulb & diodes.
Describe the circuit rules for series circuits.
Describe the circuit rules for parallel circuits.
Atomic Structure
Describe the structure of an atom and the scattering experiment.
State the relative masses & charges of proton, neutrons & electrons.
State how and ion may be formed.
Define mass number, atomic number and isotope.
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