physics: Accelerated motion Flashcards
1
Q
acceleration
A
the rate of change of velocity of a n object; the unit is ms-2.
2
Q
acceleration (graph)
A
gradient of velocity - time graph
3
Q
graphs meanin;g
A
pg 22
4
Q
displacement graph
A
area under velocity - time graph
5
Q
constant acceleration
A
when the change in velocity of an object is he same in the same time period; sometimes called uniform acceleration
6
Q
uniform motion
A
when the change in velocity of an object changes by different amounts is the same period of time
7
Q
non - uniform motion
A
when the velocity of an object changes by different amounts in the same period of time
8
Q
free fall
A
when an object accelerates due to gravity in the absence of any other forces such as air resistance
9
Q
components
A
the effect of a vector along a particular direction
