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I know thats a lot for one topic XD but i get confused inbetween them all, and before I complete the revision cards for this topic I would prefer to go over the subjects. So far i hav ethe different definitions:
velocity = speed in a given direction
speed = the rate at which an object moves
acceleration = the rate at which a body increases in speed
Is this correct? What else do we need to know?
Hi, i will happily go over all of my notes with you - i have just finished writing out all of my notes for the physics topic.
You are missing:
Moment (Nm) = Force (N) X Distance (m)
ok thankyou! I shall add it
John, can we go over the notes on the forum so it stays ehre for everyone to access instead of on email?
I seriously do not get this concept at all please, can someone give me short facts that we need to know for the exam!...
Well, its basically what IPB said -
"velocity = speed in a given direction
acceleration = the rate at which a body increases in speed"
You also need to know 2 equations -
speed = distance Ã· time, and Acceleration = change in velocity Ã· time taken for change
I remember that there were distance/time graphs and velocity/time graphs asl
Â· The slope of a distance-time graph represents speed.
Â· The velocity of a body is its speed in a given direction.
Â· The slope of a velocity-time graph represents acceleration.
Â· The area under a velocity-time graph represents distance travelled.
Theres alot more though lol, soz i can't remember that much
Thanks RATM33! Thats great info
a great huge thanks!!!XD