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22 Cards in this Set
- Front
- Back
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This law is also referred to as the law of intertia.
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Newton's 1st Law
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This changes according to where you are at in the universe.
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weight
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A froce that gives a 1 kg mass an acceleration of 1 m/sec2?
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Newton
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The units used for velocity?
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m/sec
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The slowing down of an object?
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Deceleration
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Newton's 2nd law formula?
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F= mxa
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Units for acceleration?
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m/sec2
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The force of gravity is valanced by the air resistance of an object?
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terminal speed
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rise/run?
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slope
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An object at rest will stay at rest or an object in motion will stay in motion with the same speed and direction is?
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Newton's 1st law
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What is 9.8m/sec2?
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acceleration due to gravity
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I am pushing a 1.5kg desk are with 4N. At the same time, my favorite student is pushing in the opposite direction on my desk with a force of 2N. The acceleration of my desk is?
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1.33m/sec2
*4-2=2N *a=F/m |
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My first chapter test score was 78%. I am anticipating my second chapter test score to be 84%. What is the average score?
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81%
78=84/2=81% |
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I want to find out how tall the CHS building is. I drop a ball of the roof and it reaches the ground in 4.5 seconds. How tall is the building?
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99.2225m
y= 1/2gt2 9.8 x 4.5 x 4.5/s =99.2225m |
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I went to the top of the flagpole and dropped an object from rest. It took 2 seconds for the object to hit the ground. What is the average speed?
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9.8 m/sec
Vavg = V1 = V2/2 00=9.8 x 2/2=9.8 m/sec |
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Fluffy did a free fall this past weekend off the house. Her velocity was 23.4 m/sec. How long was she in free fall?
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-2.387 sec
t= V2-V1/a 0-23.4/9.8= -2.387 |
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What does the negative mean?
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deceleration or slowing down
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How do you calculate area of a triangle?
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1/2 (bxh)
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How do you calculate area of a rectangle?
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L x W
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On a speed versus time graph, what does a constant speed look like? Describe the line.
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Straight line
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What does it mean on a speed vs. time graph if the line is going down?
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decelerating
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On a position vs. time graph, what does a stright line represent?
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The object stopped
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