Physics unit 2 FORCES

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  • Created by: Lucycp101
  • Created on: 29-11-15 15:41
How do you calculate speed?
Speed = distance/time
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What is momentum?
The quantity of motion an object has
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What is the momentum equation?
Momentum = velocity x mass
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What are velocity,mass and momentum's units?
momentum = kg m/s Mass = kg Velocity = m/s
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What is the law of momentum?
The total momentum before an event = The total momentum after the event
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What happens if the direction is going a different way? (left)
We add a negative charge to the answer
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What is the thinking distance?
How far the car travels before the driver reacts
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What is the breaking distance?
How far the car travels when the breaks are applied
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What is the stopping distance?
The breaking distance + The stopping distance
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Name 4 factors affecting the reaction time
Tiredness,drugs,distraction and drinking
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Name 4 factors affecting breaking distance
Weather, speed, worn out tires and faulty breaks on the car
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What is the more specific term in physics for 'faster'?
More kinetic energy
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What is the unit for weight?
Newtons
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Does weight change depending on where you are in the solar system?
Yes
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Does mass change depending where you are?
No
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What is weight?
A type of force
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What is acceleration measured in?
m/s squared
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How can you tell when ticker timers are getting faster?
The dots are further apart from eachother
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Other cards in this set

Card 2

Front

What is momentum?

Back

The quantity of motion an object has

Card 3

Front

What is the momentum equation?

Back

Preview of the front of card 3

Card 4

Front

What are velocity,mass and momentum's units?

Back

Preview of the front of card 4

Card 5

Front

What is the law of momentum?

Back

Preview of the front of card 5
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