Forces and speed (cool) Flashcards
1
Q
Speed=
A
d/t (distance/time)
2
Q
Distance=
A
t x s (time x speed)
3
Q
Time=
A
d/s (distance/speed)
4
Q
A newton is equal to…
A
100g
5
Q
Independent variables are…
A
What we change
6
Q
Dependent variables are…
A
What we measure
7
Q
A valid test needs…
A
1 DV, 1 IV and everything else a control variable
8
Q
Gravity or weight?
A
Weight
9
Q
Weight=
A
MG (Gravity x mass)
10
Q
Upthrust of a fluid=
A
Weight of the object placed in it - the weight of the object in the fluid
11
Q
Density=
A
m/v (mass/volume)
12
Q
Straight line on a speed graph is…
A
a constant speed`
13
Q
Horizontal line on a speed graph is…
A
being stationary
14
Q
Downward line on a speed graph is…
A
Constant speed backwards
15
Q
unit for density
A
g / cm^3
