Equations/formulas

Question 1

work done equation

Answer 1

wd= f x d
work done= force x distance

Question 2

a builder pushes a wheelbarrow a distance of 5.0m across a flat ground with a force of 50N. How much work done was done by the builder

Answer 2

wd= f x d
50 x 5=
250J

Question 3

If there is 0m in the equation what happens to the force

Answer 3

it doesn’t matter because he hasn’t gone anywhere

Question 4

a battery is connected to a speaker
complete the energy

Answer 4

chemical - electrical - sound

Question 5

Gravitational potential energy

Answer 5

GPE= m x g x h

Question 6

what is the value of G on earth

Answer 6

9.8 N/Kg

Question 7

GPE-= KE

Answer 7

M X G X H =1/2 X M X VSQUARED

Question 8

Kinetic energy formula

Answer 8

1/2 x m x vsquared

Question 9

Power is a measure of how fast —- is transferred from one form to another. it is a measured in —- It can be calculated by dividing the amount of — transferred by the — for the transfer (measured in seconds)

Answer 9

energy
Watts
energy
time

Question 10

Power equation

Answer 10

P= Energy
Time

Question 11

what is energy measured in

Answer 11

Joules

Question 12

elastic potential energy form

Answer 12

1/2 x k x esquared

Question 13

Gravitational potential energy

Answer 13

mass x gravitational field strength x height