ability to do work ___________________ ___________________________

Ability to do work ___________________

___________________________

occurs when a force causes an object to move in the direction of the force

_______________________________

Work = ____________ x _________

When work is done _______________ is given by 1 object to another

Work & energy units _________________

1 J = amount of energy to lift an apple 1 m

Average serve of tennis ball = 75 J of KE

Fastball pitch = 120J of KE

Football pass = 150J of KE

Energy of motion ___________________

KE = mv2

2

_______________ has a greater effect on

kinetic energy than _____________

KE of a snail (mass 5g) traveling at 0.014 m/s

0.00000048J

KE of an 18-wheel truck traveling at 26.69 m/s

2,200,000 J

Energy of an object due to its position or shape

______________________________

_________________potential energy (GPE)

is work done on an object when opposing the force of gravity; work done on an

object to lift it to a given height

GPE depends on

________________ & ____________

GPE = weight x height

Units (N x m ) = ___________

PE of a stretched bungee or a stretched rubber band

_____________________

Total energy of motion and position

____________________________

Can be ____, ____, or _______

ME = PE + KE

Forms of energy

________________________

________________________

________________________

________________________

_________________________

_________________________

Thermal

Total energy of particles in an object

More energy if

________________________

_________________________

Chemical

Work done to form compound is stored in

chemical bonds between _________

Form of __________________energy

__________ consists of chemical compounds

Electrical

Energy of _________________________

Electrical energy of moving electrons is used to

__________________________

Form of _____________________energy

Sound

Cause by an object’s _________________

which transmit ________________

from ______________ to ___________

Form of ___________ & _________ energy

Light

Caused by the _____________ of electrically charged particles which transmit

_____________________

Nuclear

Energy associated with changes in the

_______

Produced when ____ nuclei join(ex: hydrogen in sun forms heliumcan only occur at 100,000,000 oC)

Or

When ____ nucleus splits(ex: PE stored in uranium)