# paperclassroom Flashcards

Browse 11 sets of paperclassroom flashcards

How is density calculated

Does the density of an object depend on…

How can you easily find the volume of a…

What is the name of the equipment inven…

mass divided by volume

Composition

submerge it in water and it will displace a volume equal to it…

Eureka can

How is density calculated

mass divided by volume

Does the density of an object depend on…

Composition

How to gas particles cause pressure in…

What will happen if you increase the nu…

The pressure a gas exerts on its contai…

What will happen to the pressure if you…

By colliding with the vessel walls

The more particles there are, the more often they will collide…

How often they hit the walls... and... How fast they hit the walls

The particles will hit the walls harder and more often, so the…

How to gas particles cause pressure in…

By colliding with the vessel walls

What will happen if you increase the nu…

The more particles there are, the more often they will collide…

What are the 3 states of matter?

In water, steam and ice, the particles…

How do particles in a solid move?

How do particles in a liquid move?

Solid, Liquid, Gas

They have different arrangements and different energies

They vibrate around a fixed position - they have the least ene…

They move in random directions at low speed. - They have more…

What are the 3 states of matter?

Solid, Liquid, Gas

In water, steam and ice, the particles…

They have different arrangements and different energies

What is the difference between a scalar…

What is the difference between distance…

Which TWO of the following are vectors?…

What equation do you use to calculate d…

A scalar is just a number. A vector also has direction

Both terms say how far something has travelled, but displaceme…

Velocity & Displacement

Distance Travelled = speed x time

What is the difference between a scalar…

A scalar is just a number. A vector also has direction

What is the difference between distance…

Both terms say how far something has travelled, but displaceme…

What is the equation for Potential Ener…

What sort of energy does a moving objec…

What is the equation for Kinetic energy

If you double the mass of an object, by…

PE = mass x height x gravitational field strength

Kinetic energy

KE = 0.5 x mass x (speed)squared

it will double

What is the equation for Potential Ener…

PE = mass x height x gravitational field strength

What sort of energy does a moving objec…

Kinetic energy

What is the Law of Conservation of Mome…

What is an elastic collision?

What is an inelastic collision?

What is the mass of an object?

In a collision, when no other external forces act, momentum is…

Where the total energy of the system is the same before and af…

Where some energy is transferred out of the system. eg as ligh…

It is the amount of 'stuff' in an object

What is the Law of Conservation of Mome…

In a collision, when no other external forces act, momentum is…

What is an elastic collision?

Where the total energy of the system is the same before and af…

What are the two types of force?

What are the three non-contacting force…

What is an interaction pair?

Give an example of a n interaction pair

Contacting and non-contacting

Electrostatic... Magnetic... Gravity

A pair of equal and opposite forces acting on two different ob…

A person leaning on a wall. - The person pushes the wall and t…

What are the two types of force?

Contacting and non-contacting

What are the three non-contacting force…

Electrostatic... Magnetic... Gravity

What is Newtons 1st Law?

What is Inertia?

What does inertia depend on?

What is the equation for Momentum

Reaction forces are equal and opposite

It is a measure of how difficult it is to change an objects ve…

The mass of the object

Momentum = mass x velocity

What is Newtons 1st Law?

Reaction forces are equal and opposite

What is Inertia?

It is a measure of how difficult it is to change an objects ve…

In a distance-time graph, what does a h…

In a distance-time graph, what does the…

In a distance-time graph, what does a c…

In a velocity-time graph, what does an…

The object is stopped

The speed of the object

The object is accelerating or decelerating

Constant acceleration ... Or ... Constant deceleration... (depends on t…

In a distance-time graph, what does a h…

The object is stopped

In a distance-time graph, what does the…

The speed of the object

What is Newtons 1st Law?

What is Newtons 2nd Law?

What is the equation for Newtons 2nd La…

What does friction do?

An object will remain stationary or in constant motion, unless…

The force acting on an object is equal to the rate of change o…

F = ma

It makes things slow down and stop

What is Newtons 1st Law?

An object will remain stationary or in constant motion, unless…

What is Newtons 2nd Law?

The force acting on an object is equal to the rate of change o…