formulae

Question 1

PRESSURE (in solids)

Pa

Answer 1

force/area

N) (m^2

Question 2

PRESSURE (in liquids)

Pa

Answer 2

depth x density x g

m) (kg/m^3) (N/kg

Question 3

DENSITY
(g/cm^3)
symbol = ρ

Answer 3

mass/volume

g) (cm^3

Question 4

CURRENT
(a)
symbol= Q

Answer 4

charge/time
(c) (s)
= i

Question 5

VOLTAGE (energy)

v

Answer 5

energy/charge

j) (c

Question 6

VOLTAGE (resistance)

v

Answer 6

current x resistance

a) (Ω

Question 7

SPEED

m/s

Answer 7

distance/time

m) (s

Question 8

VELOCITY

m/s

Answer 8

displacement/time
(m) (s)
= x

Question 9

ACCELERATION

m/s^2

Answer 9

final velocity - initial velocity (m/s)
____________________________________
time (s)

Question 10

NETFORCE

N

Answer 10

mass x acceleration

g) (m/s^2

Question 11

MOMENT

Nm

Answer 11

force x distance

N) (m

Question 12

WEIGHT

N

Answer 12

mass x gfs

g) (gfs = 10 on earth

Question 13

POWER (W)

Answer 13

energy/time

j) (s

Question 14

ELECTRICAL POWER

w

Answer 14

voltage x current
(v) (c)
= Q

Question 15

MOMENTUM

kgm/s

Answer 15

mass x velocity

kg) (m/s

Question 16

FORCE

N

Answer 16

change in momentum (kgm/s)
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
             time taken (s)

Question 17

FORCE APPLIED

Answer 17

final momentum - initial momentum
_________________________
time taken

Question 18

ORBITAL SPEED

Answer 18

2π x orbital radius
____________________
time period

Question 19

ENERGY TRANSFERRED

j

Answer 19

current x voltage x time
(a) (v) (s)
= i