The slope of a distance time graph is the object's....
average velocity
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15
A 60-kg person on in-line skates pushes against a wall with a force of 30 N and recoils. What acceleration does that person experience?
0.5 m/s/s
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15
What does a horizontal line on a speed time graph mean?
Constant speed
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15
The kinetic energy of an object depends upon two things: ____________________ and ____________________.
mass and velocity
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15
An unbalanced force of 30 N gives an object an acceleration of 6.0 m/s2. What force would be needed to give it an acceleration of 1.0 m/s2?
5 N
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15
F = ma relates to what law?
Newton's Second law
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trap
No points!
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fairy
Take points!
5
10
15
20
25
gift
Win 5 points!
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banana
Go to last place!
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15
A measured quantity that is described by stating a size and a direction is called a:
Vector
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15
An object at constant speed means the sum of the forces =
Zero
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15
Two forces are applied to a 2.0-kilogram block on a frictionless, horizontal surface, as shown in the following diagram. What is the acceleration (speed and direction).
3 m/s/s right
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banana
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star
Double points!
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gift
Win 20 points!
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lifesaver
Give 5 points!
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monster
Reset all scores!
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seesaw
Swap points!
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rocket
Go to first place!
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baam
Lose 15 points!
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15
Which is bigger, a 100 centimeters or 1000 millimeters?
