A spring has a natural length of 4 cm and when masses are added, its new length is 18 cm. What is the extension?
14 cm
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20
A spring has a spring constant of 5 N/cm. What is its extension when loaded with 15 N?
3 cm
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20
How fast is the car traveling at 30 seconds?
20 m/s
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15
Change in speed or velocity over a specific amount of time. What is this?
Acceleration
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15
What is the resultant force?
40 N, right
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25
The gravitational strength on Neptune is 11.0 N/kg. If the weight of a rover is 13,200 Newtons, what is the mass of it?
1200 kgs
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lifesaver
Give 25 points!
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rocket
Go to first place!
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fairy
Take points!
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25
baam
Lose 10 points!
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20
A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
3.3 seconds
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25
A bus starts from rest and accelerates to 14 m/s in 4 s. What is the average acceleration of the bus?
3.5m/s^2
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20
A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
-0.5 m/s^2
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boom
Lose 50 points!
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magnet
Take 10 points!
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fairy
Take points!
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25
lifesaver
Give 25 points!
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seesaw
Swap points!
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rocket
Go to first place!
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shark
Other team loses 15 points!
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thief
Give points!
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15
What is the resultant force?
0 N
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15
How do you calculate average speed?
total distance divided by total time
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15
TRUE OR FALSE: To represent a force, you can use either the point of application (where the force acts), scalar value, and the direction.