motion Flashcards
what is the equation for constant speed?
speed = distance travelled / time taken
what does the gradient of a line on a distance time graph represents?
speed
what is velocity?
speed given in a certain direction
equation for acceleration
acceleration = change in velocity / time taken to change
what is change in velocity
final velocity - initial velocity
the gradient of a line in a a distance time graph =
the height of a triangle / the base of a triangle
what does newton’s second law of motion state?
acceleration of an object is
proportional to the resultant force
inversely proportional to the mass
resultant force equation
resultant force = mass x acceleration
inertia equation
inertial mass = force / acceleration
what is inertia
the tendency of an object to stay at rest or continue in uniform motion
weight equation
weight = mass x gfs
an object acted on only by gravity accelerates at
10 m/s^2
deceleration equation
a = v^2 - u^2 / 2a
breaking force =
m x a
