Word equartions

Question 1

What is the word equation for work done?

Answer 1

Work done= forcexdistance

J) (N) (M

Question 2

What is the word equation for kinetic energy?

Answer 2

kinetic energy=1/2 x mass x velocity²

J) (kg) (m/s²

Question 3

What is the word equation for gravitational potential energy?

Answer 3

GPE= massxfield strengthx height

J) (kg) (N/kg) (m

Question 4

What is the word equation power?

Answer 4

Power=Work done÷Time taken

w) (J) (s

Question 5

What is the word equation for efficiency?

Answer 5

Efficiency= useful energy out÷total energy

in

Question 6

What is the word equation for charge flow?

Answer 6

Charge flow= current x time

(c) (A) (s)

Question 7

What is the word equation for potential difference?

Answer 7

Potential difference= current x resistance

(V) (A) (R)

Question 8

What is the word equation for Power?

Answer 8

Power= Current²x resistance

W) (A) (Ohms

Question 9

What is the word equation for energy transferred?

Answer 9

Energy transferred= chargexvoltage

(J) (c) (v)

Question 10

What is another equation for energy transferred?

Answer 10

Energy transferred= powerxtime

(J) (W) (s)

Question 11

What is the word equation for density?

Answer 11

Density= mass÷volume

(kg/m3) (kg) (m3) (cubed)