When a soccer ball is kicked. What would we say of the force?
it is unbalanced
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15
What is force measured in?
Newtons
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A car ran into a wall with the force of 180,000 N and has a mass 3000 Kg what was the acceleration rate of the car?
60m/s2
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You were so hungry the you stabbed a meatball with a mass of .5 kg at the acceleration rate of 4 m/s2, What is the Force you used to fork that meatball.
2N
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15
Engineers at the Johnson Space Center must determine the net force needed for a rocket to
achieve an acceleration of 70 m/s2
. If the mass of the rocket is 45,000 kg, how much net
force must the rocket develop?
3,150,000 N
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15
How do we describe force?
A push or a pull
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A sled traveling at 3 m/s2 with a mass of 4kg will hit the wall with how much force?
12N
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15
Sir Isaac Newton was known for what accomplishment?
Newton's 3 laws and the discovery of gravity.
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What is acceleration measured in?
meters per second squared. m/s2
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15
What is inertia?
An objects resistance to a change in motion.
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a bird with a mass of .3kg dived bombed with an acceleration of 6m/s2. What force did it hit the worm with?
1.8N
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15
How does the law of inertia effect the passengers on a train that is suddenly slowing down?
They are abruptly pushed forward as their body wants to continue at the same speed as the train was traveling.
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15
What is newton's first law?
An object in motion stays in motion, an object at rest stays at rest unless acted upon by an unbalanced force.