Kinetic And Potential Energy Stores

Question 1

What type of energy is stored in an objects kinetic energy store

Answer 1

Movement

Energy is transferred to this store when an object speeds up and away when it slows down

Question 2

What depends on more energy

Answer 2

The greater it’s mass and speed

Question 3

What is the formula for kinetic energy

Answer 3

0.5 x m x v(squared)

Kinetic energy - joules J
Mass - kg
Speed- m/s(squared)

Question 4

What type of energy is stored in gravitational potential energy store

Answer 4

Raised objects and

Question 5

What depend on more energy being made

Answer 5

How high the object is lifted

Question 6

What is the formula for gravitational potential energy

Answer 6

mass x gravitational field strength x height

GPE: J
Mass: kg
Gravitational field strength: N/Kg
Height: M

Question 7

What transfers energy from its gravitational field strength to its kinetic energy sore

Answer 7

A falling object when there’s no air resistance

Question 8

What is equal to the energy lost from the GPE store

Answer 8

Energy gained in the kinetic energy store

Question 9

If there’s air resistance where will some of the energy transfer to

Answer 9

Other energy stores, e.g: thermal energy stores of the object and surroundings

Question 10

What type of energy is stored in the elastic potential energy store

Answer 10

Stretching or squashing

As long as limit of proportionality has not been exceeded

Question 11

What is the formula for elastic potential energy

Answer 11

0.5 x spring constant x extension (squared)

EPE: J
Spring constant: N/m
Extension: m (squared)