forces and motion 1 Flashcards
(20 cards)
what is the symbol of acceleration? what is it measured in?
- a
- m/s squared
what is the symbol of time? what is it measured in?
- t
- s
what is the symbol of mass? what is it measured in?
- m
- kg
what is the symbol of final velocity? what is it measured in?
- v
- m/s
what is the symbol of initial velocity? what is it measured in?
- u
- m/s
what is the symbol of force? what is it measured in?
- F
- N
what is the symbol of speed? what is it measured in?
- S
- m/s
the ……………. of a distance-time graph gives you ……..!
- gradient
- speed
the ……………. of a speed-time graph gives you ……………………!
- gradient
- acceleration
the …….. under a speed-time graph gives you ………………!
- area
- distance
what do vectors have?
-a magnitude and direction
what do scalars have?
-just a magnitude
what are velocity and displacement?
-vectors
what are speed and distance are?
-scalars
4 examples of vectors (out of 6)
- force
- current
- acceleration
- momentum
- velocity
- displacement
4 examples of scalars (out of 6)
- mass
- time
- energy
- power
- speed
- distance
what is mass? what is it measured in?
- the quantity of matter a body contains
- measured in
what is weight? what is it measured in?
- a force
- N
if an object has a resultant force it is …
-accelerating
if an object has a resultant force of ZERO it is …
-stationary or constant velocity
