P9 Flashcards
1
Q
Acceleration?
A
Change of velocity per second (in metres per second squared).
2
Q
Deceleration?
A
Change of velocity per second when an object slows down.
3
Q
Displacement?
A
Distance in a given direction.
4
Q
Gradient (of a straight line)?
A
Change of the quantity plotted on the y-axis divided by the change of the quantity plotted on the x-axis.
5
Q
Tangent?
A
A straight line drawn to touch a point on a curve so it has the same gradient as the curve at that point.
6
Q
Velocity?
A
Speed in a given direction (in metres per second).