Physics Vocab and Equations

Question 0

Name how you calculate weight

Answer 0

Weight = Mass x 10

Question 1

Name the equation for calculating Newtons 2nd Law

Answer 1

Force = Mass x Acceleration

Question 2

What is the equation for momentum

Answer 2

Momentum = mass x velocity

Question 3

Name the change in momentum equation

Answer 3

Momentum = Force x time taken

Question 4

Name the equation for moments

Answer 4

Moment = force x perpendicular distance from the pivot

Question 5

Name the orbital speed equation

Answer 5

(2 x orbital radius x Pythagoras)/ orbital speed = time period

Question 6

What is the equation for power

Answer 6

Power = current x voltage

Question 7

What is the equation for energy transferred

Answer 7

Energy transferred = current x voltage x time

Question 8

Name the equation for voltage

Answer 8

Voltage = current x resistance

Question 9

What is the equation for charge

Answer 9

Charge = current x time

Question 10

What is the equation to wave speed

Answer 10

Wave speed = frequency x wavelength

Question 11

Angle of refraction equation is…

Answer 11

N = Sin i / Sin r

Question 12

Equation of critical angle and refractive index

Answer 12

Sin C = 1 / n

Question 13

Name the efficiency equation

Answer 13

Useful energy output / total energy output x 100 = efficiency

Question 14

What is the equation for work done

Answer 14

Work done = force x distance moved

Question 15

What is the gravitational potential energy equation

Answer 15

Gravitational potential energy = mass x 10 x height

Question 16

Name the equation for kinetic energy

Answer 16

1/2 x mass x speed (squared) = 1/2 mv (squared)

Question 17

Name the equation for power

Answer 17

Power = work done / time taken

Question 18

What is then equation for density

Answer 18

Density = mass / volume

Question 19

What is equation for pressure

Answer 19

Pressure = force/ area

Question 20

What is the equation for pressure difference

Answer 20

Pressure difference = height x density x 10