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Duplicate of Physics Newton's Laws Review Flashcards | StudBud
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Duplicate of Physics Newton's Laws Review
Duplicate of Physics Newton's Laws Review
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A review for an Exam on Newton's Laws
Flashcards
13 cards
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Practice quiz
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Questions
13
Answers
1
what is the force on the 1300 kg car from to 20 seconds.
2600 m
650 N
650 m
2600 N
2
What is the acceleration between time 0 and 20 seconds?
20 m/s2
20 m/s
2 m/s
2 m/s2
3
5) How much force does a 0.4 kg bullet hit a person with, vf = 0 m/s, vi=335 m/s, in 0.001s?
-134000 m/s2
-134000 m
-134000 N
-134000 m/s
4
6) Calculate the mass of an apple that hits you on the head with a force of 1N.
9.8 kg
0.10 kg
9.8 m/s
0.10 m/s
5
Calculate the weight of an elephant with a mass of 7500kg.
73500 kg
765.4 N
73500 N
765.4 kg
6
What is the net force in the vertical direction?
-5 N
-5 kg
0 N
0 kg
7
What is the net force in the horizontal direction?
-5 N
0 N
0 kg
-5 kg
8
What is the definition of weight?
The quantity of matter.
measures an amount of space in units of length cubed
a force that results from the action of gravity on mass.
the rate of change of velocity.
9
What is the definition of mass?
the rate of change of velocity.
The quantity of matter.
a force that results from the action of gravity on mass.
measures an amount of space in units of length cubed
10
What is the force due to gravity on the block if the mass is 30 kg?
-3.06 kg
-294 kg
-3.06 N
-294 N
11
If the mass of the block is 30 kg, what is the acceleration of the block?
-0.17 m/s2
-6 m/s
-0.17 m/s
-6 m/s2
12
At which section of the graph (a,b, or c) is there no acceleration?
c
b
a
13
How much force is needed to push a 7500kg at a rate of 1.5 m/s
2
?
11,250 N
5000 kg
5000 N
11,250 kg
