Physics Formulas for 2025

Question 1

Work (j) =

Answer 1

force (N) x distance (M)

Question 2

Gravitational Potential Energy(j) =

Answer 2

mass(kg) x gravity (N/Kg) x height (m)

Question 3

Kinetic Energy (j) =

Answer 3

1/2 x mass (kg) x velocity^2 (m/s)

Question 4

Effieciency =

Answer 4

useful out/total in

Question 5

power (w) =

Answer 5

energy to appliance(j)/time(s) = work(j)/time

Question 6

acceleration (m/s^2) =

Answer 6

(final velocity - initial velocity) / time

Question 7

time period =

Answer 7

1/frequency(hz)

Question 8

wave speed (m/s) =

Answer 8

wavelength (m) x frequency (hz)

Question 9

density

Answer 9

you should know this idiot

Question 10

sph chnage in energy(j)=

Answer 10

mass(kg) x specific heat capacity(j/kgoc) x chg temp

Question 11

spl chnage in energy(j)=

Answer 11

mass (kg) x spl (j/kg)

Question 12

Boyles law

Answer 12

pressureA x volumeA = pressureB x volumeB

Question 13

Force(N) =

Answer 13

mass(kg) x acceleration(m/s^2)

Question 14

weight(N) =

Answer 14

mass (kg) x gravity(N/kg)

Question 15

stopping distance (m) =

Answer 15

thinking distance + breaking distance

Question 16

final velocty^2 (m/s) =

Answer 16

initial v^2 x 2 x acceleration (m/s^2) x distance(m)

Question 17

momentum (kg m/s) =

Answer 17

mass (kg) x velocity (m/s)

Question 18

momentumA =

Answer 18

momnetumB

Question 19

impact time Force (N) =

Answer 19

(chng momentum (KG M/S))/ time = (mass x chng velocity)/time

Question 20

Hookes law =

Answer 20

force(N) = spring constant (N/m) x extension (m)

Question 21

elastic potential energy (J) =

Answer 21

1/2 x spring constant (N/m) x extension^2 (m)