Energy Transfer

Question 1

In what ways can energy be transferred?

Answer 1

1. Mechanically (working)
2. Heating
3. Electrically

Question 2

How is energy transferred mechanically?

Answer 2

1. Working = energy transferred between systems when a force is used to move them
2. Work = force x distance (m)

Question 3

How is energy transferred by heat?

Answer 3

Energy transferred when there is a temp difference

Question 4

How is energy transferred electrically?

Answer 4

1. Transferred with electrical current

2. Forces on electrical charges in circuit transfer energy to components

Question 5

Why is energy convenient for transferring energy?

Answer 5

B/c it can be transferred over long distances