Forces and motions Key Equations

Question 1

Speed?

Answer 1

Distance divided by time

D/T=S

Question 2

Acceleration?

Answer 2

Change in velocity divided by time
A=(v-u)/t
A=acceleration 
V=final velocity (the one it ended up with)
U=initial velocity

Question 3

Force?

Answer 3

Mass x acceleration

F=m x a

Question 4

Weight?

Answer 4

Mass x gravity

W=m x g

Question 5

Momentum?

Answer 5

Mass x velocity 
P=m x v
P=Momentum 
M=mass
V=velocity

Question 6

Density?

Answer 6

Density = mass divided by volume

D=m/v

Question 7

Pressure?

Answer 7

Pressure = force divided by area
P= f/a