Tendency to resist changes in motion
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Tendency to resist changes in motion Tendency to resist changes in motion Mass Mass The greater the mass, the greater the The greater the mass, the greater the push required to get the brick moving. push required to get the brick moving.
description
Tendency to resist changes in motion. Mass. The greater the mass, the greater the push required to get the brick moving. Yes, she would still feel the sluggishness. Moose would have trouble changing direction because of its large inertia. d. C. A. B. D. F. F. F. F. F. F. F. F. F. - PowerPoint PPT Presentation
Transcript of Tendency to resist changes in motion
Tendency to resist changes in motionTendency to resist changes in motion
MassMass
The greater the mass, the greater the push The greater the mass, the greater the push required to get the brick moving.required to get the brick moving.
Yes, she would still feel the sluggishnessYes, she would still feel the sluggishness
Moose would have trouble changing direction Moose would have trouble changing direction because of its large inertiabecause of its large inertia
dd
CC DD AA BB
FFFF
FF
FF
FF
FF
FF
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TT
TTFF
FF
FF
FF
FF
Tends to stay at restTends to stay at rest
Tends to stay in motionTends to stay in motionActed upon by an unbalanced forceActed upon by an unbalanced force
f.f.
Speeding UpSpeeding Up
Slowing DownSlowing Down
Constant VelocityConstant Velocity
CC AA BB
Constant velocityConstant velocity Slowing DownSlowing Down Speeding UpSpeeding Up
10N left10N left 00 15N up15N up
Anna - HovercraftAnna - Hovercraft
No – could be slowing downNo – could be slowing down
Newton’s Second Law of Motion
m
Fa net
directlydirectlyinverselyinversely
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CC DD BBAA
Fnet = 20NFnet = 20N Fnet = 0Fnet = 0 Fnet = 30NFnet = 30N Fnet = 15NFnet = 15N
M = 5 kgM = 5 kg M = 5 kgM = 5 kg M = 5 kgM = 5 kg M = 5 kgM = 5 kg
a = 4 m/s/sa = 4 m/s/s a = 0a = 0 a = 6 m/s/sa = 6 m/s/s a = 3 m/s/sa = 3 m/s/s
600 N600 N DownDown
60 kg60 kg
10 m/s/s10 m/s/s DownDown
200 N200 N DownDown
60 kg60 kg
3.33 m/s/s3.33 m/s/s DownDown
2000 N2000 N LeftLeft
800 kg800 kg
2.5 m/s/s2.5 m/s/s LeftLeft
4000 N4000 N LeftLeft
800 kg800 kg
5 m/s/s5 m/s/s LeftLeft
8 N8 N RightRight
2 kg2 kg
4 m/s/s4 m/s/s RightRight
16 N16 N RightRight
M = 4 kgM = 4 kg
a = 4 m/s/sa = 4 m/s/s RightRight
Ball hits batBall hits bat Car pushes ManCar pushes Man Bug hits busBug hits bus
Athlete pushes M.B. Athlete pushes M.B. ForwardForward
M.B pushes Athlete M.B pushes Athlete BackwardBackward
Foot pushes Floor Foot pushes Floor BackwardBackward
Floor pushes Foot Floor pushes Foot ForwardForward
Foot pushes Ball Foot pushes Ball ForwardForward
Ball pushes Foot Ball pushes Foot BackwardBackward
FF(Earth(Earth))
FF(Chair)(Chair)
FF(person’s mass)(person’s mass)FF(person’s mass)(person’s mass)
FF(Earth)(Earth)
FF(stump)(stump)
FF(Shirley’ mass) = 600N(Shirley’ mass) = 600NFF(Shirley’ mass) = 600N(Shirley’ mass) = 600N
equalequalgreatergreater
equalequal
greatergreater
equalequallessless
equalequalequalequal
