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What is a vector quantity?
Give 3 examples of vector quantities
What's a scalar quantity
Name 3 examples of scalar quantities
How are vectors usually represented?
What's a force?
What's a contact force?
Give 3 examples of contact force
What's a non contact force
Give 3 examples of non contact force
What's an interaction pair?
What is gravitational force?
What are the two important effects of gravity?
What is mass?
What is weight?
What does the gravitational field strength vary on?
What is weight measured in?
What is the centre of mass?
How is weight measured?
What is the equation for weight?
True or false: Weight is indirectly proportional to weight
What does a free body diagram show
What do the arrow sizes in a free body diagram represent?
What's a resultant force?
What happens when a force moves an object through a distance?
What energy types are being transferred when a object is being dragged along a carpet (frictional force)
Whats the equation for finding out how much work has been done?
How do you convert Joules into Newtonmeters?
How do you use a scale drawing to find the total resultant force?
What's the resultant force of an object in equilibrium?
What does a scale drawing of an object in equilibrium look like?
How do you resolve a force (split it into components)?
What does elastically deformed mean?
What does being inelastically deformed mean?
Where does energy transfer to when an object changes shape?
Extension is directly proportional to what?
What's the equation of the force acting on a spring while being stretched?
What does the spring constant depend on?
What's the equation for the force acting on a spring while being compressed?
What's the limit of proportionality?
What's the equation for the work done in stretching/compressing a spring?
How do you find the spring constant from an extension-force graph?
What's a moment of a force?
What's the equation for a moment of a force?
Why won't a balanced object rotate?
Why do levers make it easier to do work?
What do gears do?
What do different sized gears change?
What is pressure?
What is the pressure of a fluid?
What's the equation for pressure?
Why is pressure higher when a liquid is more dense?
What's the equation for calculating pressure at a certain depth?
Why do objects in fluids experience upthrust?
What is upthrust equal to?
Why do objects float?
When does an object sink?
Explain how density links to whether an object will float or sink
Why does atmospheric pressure decrease when altitude increases?
What is distance?
What is displacement?
What is speed?
What is velocity?
How can an object have a constant speed but a changing velocity?
Whats the equation for speed?
What's the equation for distance travelled
What's the average speed of a person walking?
What's the average speed of a person running?
What's the average speed of a person cycling?
What's the typical speed for a car?
What's the typical speed of a train?
What's the typical speed of a plane?
What are 3 factors effecting the speed at which a person can walk, run or cycle?
Name 3 factors affecting wind speed
What is acceleration?
What's the formula for finding an average acceleration?
What is deceleration?
EXAM QUESTION NOTE
What is uniform acceleration?
What's the equation for finding uniform acceleration?
How do you calculate speed from a distance time graph?
How do you find the acceleration from a velocity time graph?
Why will a moving object with no force propelling it, slow down or stop?
How does friction act upon an object?
What needs to happen in order to travel at a constant speed?
When do you get friction?
