P2 AQA

Whenever two objects interact, the forces they exert on each other are...

What is the resultant force?

If the resultant force acting on a stationary object is zero, the object will...

If the resultant force acting on a stationary object is not zero, the object will....

If the resultant force acting on a moving object is zero, the object will....

If the resultant force on a moving object is not zero, the object will...

What two factors determine the acceleration of an object?

What does the gradient of a distance-time graph represent?

What is velocity?

What is the equation to find the acceleration of an object?

What does the gradient of a velocity-time graph represent?

What is stopping distance the sum of?

What can affect your thinking distance?

When the brakes of a vehicle are applied, work done by the friction force between the brakes and the wheel ______ the kinetic energy of the vehicle and the temp of the brakes ______

What can affect braking distance?

What is thinking distance?

What is braking distance?

A force applied to an elastic object will result in the object ________ and storing _______ energy

The extension of an elastic object is ________ to the force applied

What is the equation to work out the work done?

What is transferred when work is done?

What is power?

What is gravitational potential energy?

The kinetic energy of an object depends on what?

What is momentum?

What is conservation of momentum?

The build-up of static is caused by what?

When certain insulating materials are rubbed together they become what?

______ charged electrons are rubbed off one material and onto the other

The material that gains electrons becomes _________ charged

The material that loses electrons is left with what?

Two objects of the same charge ______ and two objects of different charge _________

What is electrical current?

What is the size of the electric current?

What is the potential difference?

The resistance of a component can be found by measuring the ________ through and the ___________ across the component

The current through a resistor is ______________ to the potential difference across the resistor

What equation is used to calculate the current, potential difference or resistance?

The greater the resistance the _________ the current for a given potential difference across the component

For components connected in series the total resistance is what?

For components in series, is the current shared or is it the same everywhere?

For components in series, the total potential difference is what?

For components connected in parallel, the potential difference is what?

For components connected in parallel, the total current is what?

The resistance of a filament bulb increases as the temperature of the filament __________

Through a diode, the current can flow.....

Why can the current only flow in one direction through a diode?

An LED emits light when a current flows through it in the ______ direction

As light intensity increases, the resistance of a LDR ________

What does LDR stand for?

What is D.C.?

As the temperature increases, the resistance of a thermistor ________

What is A.C.?

In the UK, what is the frequency of mains electricity?

In the UK, what is the voltage of mains electricity?

In a plug, what colour is the live wire and where is it positioned?

In a plug, what colour is the earth wire and where is it positioned?

In a plug, what colour is the neutral wire and where is it positioned?

What happens if an electrical faults causes too great a current?

What happens if the current in a fuse wire exceeds the rating of the fuse?

What is an RCCB and how does it work?

Advantages of an RCCB?

Appliances with metal cases are usually what?

What is meant by "earthing"?

Why wouldn't an appliance be earthed?

What happens when an electrical charge flows through a resistor?

The rate at which energy is transferred by an appliance is called _______

Power, potential difference and current are related by which equation?

Energy transferred, potential difference and charge are related by which equation?

Why are some substances said to be radioactive?

What is an alpha particle made of?

What is a beta particle made up of?

What is gamma radiation?

Alpha particles are deflected _____ than beta particles and in an opposite direction

What is the relative ionising power of:
a) an alpha particle
b) a beta particle
c) a gamma wave

What will absorb:
a) an alpha particle
b) a beta particle
c) a gamma wave

What is the range of the following in air?
a) an alpha particle
b) a beta particle
c) a gamma wave

Which types of radioactivity are deflected by electric and magnetic fields?

What is the half-life of a radioactive isotope?

What two fissionable substances are in common use in nuclear reactors?

What is nuclear fission?

For fission to occur, the uranium-235 or plutonium-239 must first what?

The nucleus undergoing fission splits into two smaller ______ and two or three _______ and ______ is released

What is nuclear fusion?

How are stars formed?

Why, suring the 'main sequence' period of its life, is a star stable?

Fusion processes in stars produce what?

The Sun is a main sequence star. Why will it eventually become a red giant, rather than a red super giant?