What is the difference between a scalar and a vector?

List examples of scalars

List examples of vectors

How can you draw a vector?

What is the difference between a contact force and a non-contact force?

List examples of contact forces

List examples of non-contact forces

What is weight?

How are weight and mass different?

What is the mathematical relationship between weight and mass?

What is the formula that links mass and weight?

What instrument can be used to measure weight?

What is meant by ‘centre of mass’

What does resultant force mean?

A 2N force and a 5N force are acting on an object in the same direction (to the right). What is the resultant force?

A 2N force acts left and a 5N force acts right on an object. What is the resultant force?

What does a free-body force diagram show?

If two forces are acting on an object in different directions, how could you use a scale diagram to find the magnitude and direction of the resultant force?

What are the two components that you can split a resultant force into?

What is work done?

What is another term for work done?

What formula is used to calculate work done?

What is the definition of 1 joule (hint – it comes from the formula for work done)

What are the alternative units for the joule?

What way do frictional forces always act on moving objects?

What happens to the temperature of an object when work is done against friction forces?

Why is more than one force needed to change the shape of an object?

What is the difference between elastic deformation and inelastic deformation?

What is the relationship between the extension of an spring and the force applied?

What is the formula that links force and extension of a spring?

If an object is compressed, rather than stretched, what does e stand for?

What type of energy is stored when something is stretched or compressed?

If a spring is elastically deformed, what is the relationship between the work done on the spring and the elastic potential energy stored?

What is the difference between a directly proportional relationship, a linear relationship and a non-linear relationship?

Sketch a graph to show how force and extension are lined (including beyond the limit of proportionality)

What is the limit of proportionality?

How could you find the spring constant from a force-extension graph?

What formula is used to calculate the work done in stretching (or compressing) a spring?

How are distance and displacement different?

What are typical values for the speed of walking, running and cycling?

Why is the speed of an object not usually constant?

What is the typical value for the speed of sound in air?

What is the formula used to calculate the speed on an object?

What does uniform motion mean?

What is velocity?

If something is moving in a circle, explain why it can have a constant speed, but the velocity changes?

In a distance-time graph, how would you identify:
A stationary object
An object travelling with a constant speed
An object reversing at a constant speed
An object accelerating
An object decelerating

How could you find the speed of an object in a distance-time graph?

How could you find the speed of an object in a distance-time graph if it is a curve?

In a velocity-time graph, how would you identify:
A stationary object
An object travelling with a constant speed
An object accelerating at a constant rate
An object decelerating at a constant rate

How can you find acceleration or deceleration from a velocity time graph?

How can you find the distance traveled in a velocity-time graph?

How can you find the area under a velocity-time graph if it was a curve?

What would non-uniform acceleration or deceleration look like in a velocity-time graph?

What are the units for acceleration?

What is the formula that links acceleration, change in velocity and time?

What is the formula that links initial velocity, final velocity, acceleration and distance?

What is the acceleration for an object falling due to gravity?

What is the deceleration of an object being thrown up in the air?

What two forces are acting on a ball falling through a fluid?

Why does an object falling through a fluid accelerate at the start, and then travel at a constant speed?

What is Newton’s first law?

How does Newton’s first law explain a car moving at a constant speed?

What is inertia

What is Newton’s second law in words?

What is the equation for Newton’s second law?

What could a resultant force on a moving object cause to happen?

What is inertial mass

What does this symbol ⁓ mean?

What is Newton’s third law?

What is important about the Newton’s third law pairs?

What is stopping distance?

How does speed affect stopping distance for a given braking force?

What are typical values for reaction time?

What factors affect a driver’s reaction time?

State some ways of measuring reaction time

What factors affect braking distance?

When a force is applied to the brakes of a car, work is done. Why?

What is the relationship between the speed of a car and the braking force needed to stop it?

What are the dangers of large decelerations?

Estimate the forces involved in deceleration a car on a normal road

What is momentum?

What are the units for momentum?

What is the law of conservation of momentum?

Explain what is happening, in terms of momentum, when two cars collide. One is stationary before the collision (car A). The cars stick together

Explain what is happening, in terms of momentum if someone steps off a stationary boat

Investigate the relationship between force and extension for a spring

Investigate the effect of varying the force on the acceleration of an object of constant mass

Symbols, names and units for equations