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Chp. 5.1 & N's 3 Law

Chp. 5.1 Review with Newton's 3 Laws

QuestionAnswer
Momentum The mass of an object multiplied by its velocity.
Momentum word equation Momentum = Mass X Velocity
If an object has a large momentum, what else is large? Mass, high speed, or both
Momentum of an object changes, so Mass or velocity or both must change.
Momentum of an object changes and the mass remains unchanged, then velocity changes and acceleration occurs.
What produces acceleration? Force
Inertia in motion is called ______. Momentum
Symbol equation for momentum p = m x v
What is the relationship between momentum and velocity? directly proportional
What is acceleration? A change in velocity
Name three ways velocity can change? speeding up, slowing down, or changing direction
_________causes acceleration force
Velocity is speed and ________ direction
A car is going 2 m/s north velocity
88 km/h speed
10 m/s straight up velocity
18 kg m/s down momentum
19 m/s west velocity
Momentum of a 6.00 kg bowling ball moving at 10.0 m/s down the alley 60 kg m/s down the alley
Momentum of a 75 kg speed skater moving forward at 16 m/s 1200 kg m/s moving forward
Momentum of a 1.35 kg ostrich running north at 16.2 m/s 21.9 kg m/s running north
Knowing the velocity of an airplane is more important to a traveler than knowing only the airplane's speed because velocity gives the direction the plane is heading.
Your velocity changes when you ride a Ferris wheel that turns at a constant speed because you are moving in a different direction at each instant of time.
Created by: kbieber
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