The Physics Classroom
Includes lengthy tutorials, a collection of GIF animations, Javascript-driven Internet problems, interactive Shockwave activities, unit reviews (with answers), and sample quizzes.

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10 newtons entered by user 3319802
10 newtons entered by user 5518285
10 newtons entered by user 2668268
acceleration entered by user 383134
basic physics entered by user 4349061
charged by induction entered by user 3310987
circular motion equations entered by user 4860311
colors and frequencies entered by user 581357
concave entered by user 2992790
constant speed and average speed entered by user 13331429
convex lens entered by user 7932541
convex mirror entered by user 6234599
density of a medium on the wave entered by user 687337
displacement entered by user 6827738
displacement entered by user ditto
elastic potential energy entered by user 2748550
electromagnetic waves can travel only through a vacuum entered by user 2526759
examples of newton's first law entered by user 3500684
for every action there is an equal and opposite reaction entered by user 8371268
force affect motion entered by user 6477993
gravitational potential energy entered by user ditto
guitar sound waves entered by user 8028382
hertz and sound entered by user 921737
high school physics entered by user 15026436
high school physics online help entered by user 1100056
horizontal velocity projectile motion entered by user 1511297
horizontally entered by user 1694607
image of sound waves entered by user 2894976
incident pulse entered by user 1504532
incident ray entered by user 3074879
incident ray entered by user ditto
index of refraction table of values entered by user 10445275
index of refraction table of values entered by user ditto
kinematics entered by user 3164790
laws of motion entered by user 17604385
longitudinal waves entered by user 7423503
momentum in non isolated entered by user 6448807
newton entered by user 13646651
newton's first law entered by user 9726682
newton's second law of motion entered by user 984046
newton's third law entered by user 16126343
newton's third law of motion entered by user 2289897
newton's three laws of motion entered by user 1860
newtons 2 law of motion entered by user 3814360
newtons 2 law of motion entered by user ditto
newtons law entered by user 14988480
newtons laws of motion entered by user 9024344
newtons three laws entered by user 8781171
newtons three laws of motion entered by user 850698
nodes of standing waves entered by user 1504532
physical energy entered by user 2275644
physics entered by user 5964676
physics entered by user 8751287
physics entered by user ditto
physics entered by user ditto
physics entered by user ditto
physics entered by user ditto
physics entered by user 3310987
physics entered by user 5812712
physics entered by user 4766625
physics entered by user 802622
physics entered by user ditto
physics entered by user 488680
physics classroom entered by user 272983
physics definition entered by user 8601949
physics help entered by user 2170626
physics of skydiving entered by user 6448807
physics of skydiving entered by user ditto
physics skiing entered by user 3438038
properties of waves entered by user 2741882
properties of waves entered by user ditto
ray diagram entered by user 12616684
representation of tuning fork sounds entered by user 11503975
resultant vectors entered by user 20400806
sound waves entered by user 3082590
sound waves entered by user ditto
sound waves entered by user ditto
speed of sound entered by user 1748199
speed of sound equal to speed of light entered by user 14794982
state of equilibrium entered by user 5492068
tension angle wire physics entered by user 12496129
the physics classroom entered by user 2992790
three laws of motion entered by user 1860
tuning fork entered by user 675055
tuning forks entered by user 4427414
waves entered by user 8479620
what are waves entered by user 687337
why do sound waves travel faster in liquids or solids than in air entered by user 8709368
www.physics.lsa.umich entered by user 2300393
angle of car distance entered by user 543587