machine consisting of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the other.
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15
What is the force of a volleyball that weighs 2g and is traveling at a speed of 15m/s?
30N
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boom
Lose 50 points!
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shark
Other team loses 20 points!
Okay!
rocket
Go to first place!
Okay!
banana
Go to last place!
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5
What is a screw?
A simple machine, or rod with grooves on its circular curved surface and is used to hold two objects firmly together.
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20
What is the definition of a net force?
The total sum of all of the forces acting on the object?
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10
What is Newton's first Law?
Inertia- an object at rest stays at rest, an object in motion stays in motion until an outside force acts against it
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15
What is Newton's third law?
The action reaction law. For every action, there is an equal and opposite reaction?
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15
What is lever?
A machine made of a beam and a fulcrum. (pivot point)
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baam
Lose 15 points!
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star
Double points!
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fairy
Take points!
5
10
15
20
25
lifesaver
Give 25 points!
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5
What makes a force unbalanced?
A change in some way. More force being applied in a certain direction
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20
What is an example of Newton's second law?
Answers vary
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banana
Go to last place!
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star
Double points!
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shark
Other team loses 25 points!
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lifesaver
Give 10 points!
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15
What is a pulley system?
Mechanical device that can be used to lift heavy objects more easily. It consists of a wheel that rotates on an axle with a rope.
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10
What is the BEST example of Newton's third law? a) Miss Comley on skates pushing Duell in a chair who then moves forward while the force of Duell pushes Miss Comley backwards b) Silas flying through the sky c) Catching a ball in the air
A
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25
Find the net force. An object with forces pushing in opposite directions. One pushing left with a force of 76N and one pushing right with 39N.
