CP1 Motion Flashcards
What is a vector quantity?
One that has magnitude (size) and a specific direction.
What is a scalar quantity?
one that has magnitude (size) but no specific direction. i.e. mass
What is velocity?
Velocity is speed in a stated direction. Velocity is a vector, speed is a scalar.
What is velocity measured in?
metres per second m/s
What is the formula for (average) speed?
(average) speed = distance / time
Is force a vector or a scalar?
vector
What is the unit of force?
Newtons
On a distance-time graph the steeper the gradient the greater the _ _ _ _ _ .
speed
What is the formula for acceleration?
acceleration = change in velocity / time
What is acceleration measured in?
m/s’2’ (metres per second squared)
What does v stand for in the acceleration equation?
v - final velocity
What does u stand for in the acceleration equation?
u - initial velocity
Is acceleration a vector or a scalar?
vector
direction is taken into account i.e. -10 m/s2 means backwards
On a velocity-time graph the steeper the gradient the greater the _ _ _ _ _ _ _ _ _ .
acceleration
What is the formula for area of a rectangle?
base x height
What is the formula for the area of a triangle?
1/2 base x height
How do you find distance travelled on a velocity-time graph?
Find the area between the graph line and the time axis
On a velocity time graph when you find the area under the graph you find the ….
distance travelled
