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Forces - Newton's Laws Flashcards | StudBud
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Forces - Newton's Laws
Forces - Newton's Laws
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Regents Physics, Newton's Laws, Forces, Action-Reaction, Fnet = ma
Flashcards
11 cards
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Questions
11
Answers
1
True or false: When you accelerate in an elevator, your weight changes.
False
True
2
This law relates total force and acceleration.
Newton's 1st Law - "An object in motion..."
Newton's 2nd Law - Fnet = ma
Newton's 3rd Law - "Every reaction has..."
Gauss's Law - Q = ΦEε0
3
True or false: An apple falling from a tree is in equilibrium.
False
True
4
True or false: When we walk, the ground applies a backward friction force on us.
True
False
5
An object with all forces balanced...
must be at rest
may be slowing down
must be speeding up
may be moving
6
This law explains what happens when an object is in equilibrium.
Newton's 2nd Law - Fnet = ma
Newton's 3rd Law - "Every reaction has..."
Law of Sines - A/sinθA = B/sinθB = C/sinθC
Newton's 1st Law - "An object in motion..."
7
True or false: An elevator car speeding up as it ascends a building is in equilibrium.
False
True
8
True or false: A car driving up a hill with constant velocity is in equilibrium.
False
True
9
This law deals with pairs of forces between objects.
Newton's 3rd Law - "Every reaction has..."
1st Law of Thermodynamics - ΔU = W - Q
Newton's 2nd Law - Fnet = ma
Newton's 1st Law - "An object in motion..."
10
The total force on a book weighing 20 N resting on a table is...
0 N
40 N
20 N
9.81 N
11
If I weigh 800 N and apply a 200 N force to Ben who weighs 700 N, how much force does he apply to me?
500 N
100 N
200 N
1000 N
