During a game of tug-a-war, neither team is able to make any advance. What can be assumed about the forces?
The forces are balanced
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15
What is the formula for speed?
Speed= Distance/Time
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15
Potential or Kinetic: A pencil falling off a desk
Kinetic
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15
When do you add forces together?
When the forces are in the same direction
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banana
Go to last place!
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rocket
Go to first place!
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gift
Win 25 points!
Okay!
banana
Go to last place!
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banana
Go to last place!
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star
Double points!
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rocket
Go to first place!
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baam
Lose 25 points!
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15
What is the difference between the velocity and the speed of an object?
Velocity has a direction associated with it, while speed has no specific direction.
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15
2 students are working to build a birdhouse. Student 1 applies a force of 10 N to a wooden board in order to slide it across the table. If the force of friction resisting the studentâs push is 4 N, what is the net force acting on the board?
6 N
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15
What is the energy of motion?
Kinetic energy
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banana
Go to last place!
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gold
Win 50 points!
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rocket
Go to first place!
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baam
Lose 5 points!
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15
The chemical equation for sodium sulfate is Na2SO4. How many sulfur atoms are in the formula for sodium sulfate?
1
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15
When do you subtract forces?
When the forces are in opposite directions
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15
A train travels 25 km in .5 hrs. How fast is the train going?
50 km/hr
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15
Potential or Kinetic: A quartback throwing a football.