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Newton's Laws and Forces Flashcards | StudBud
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Newton's Laws and Forces
Newton's Laws and Forces
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1
What is Newton's First law of motion state.
Conservation of mass
Inertia
Force Pairs
F=MA
2
What is the net force on this object?
1 N
4 N
16 N
0 n
3
Are the forces on this object balanced?
No
Yes
4
How do you add vectors?
Arrow to Arrow
Tip to Tail
Tail to Tail
Tip to Tip
5
If an object has a mass of 2.0 kg and has an applied force of 8.0 N, what is the acceleration?
2.0 m/s2
8.0 m/s2
4.0 m
4.0 m/s2
6
true of false: force is a vector.
False
True
7
What is the force of gravity on Earth for a 1.0 x 10
2
kg object?
9.8 n down
980 N down
9.8 m/s2
980 m/s2
8
Why are Rockets are able to accelerate leaving Earth when their Fa is the same?
More gravity as you leave the planet
Less Gravity as you leave the planet
9
In what dircetion is this object accelerating?
Right
Up
Down
No acceleration
10
If a child is being pulled on a sled 20
∘
above the ground what force is the normal force?
B
D
A
C
11
What is Newton's Third Law of Motion
Univeral Gravitation
F=MA
Action Reaction Forces
Inertia
12
When a pool ball strikes a bowling ball, why does the bowling ball barely accelerate?
Less Force
More mass
Size
More Force
13
Which of Netwon's Laws is illistrated in this picture?
1st Law
2nd Law
3rd Law
4th Law
14
If a child is being pulled on a sled 20
∘
above the ground what force is the force of friction?
B
D
A
C
15
What is the acceleration of a 96 kg block, being pushed without friction by a 180 N force?
9.8 m/s2
1.9 m/s2
1.7x104 m/s2
18m/s2
16
What is the formula used to calculate weight?
μ∙Fn
1/2∙m∙v2
m∙a
3.14∙r2
17
Which of Newton's Laws is being demonstrated in this Picture?
Newton's 3rd
Newton's 2nd
Newton's 1st
Newton's 4th
18
What is the net force on this object?
7N
3N
17N
10N
19
What is a vector?
Arcade game
Magnitude and Direction
Magnitude only
Direction only
20
What is the acceleration due to gravity of an object on Earth?
9.8 kg
9.8 m/s2
9.8 m/s
21
What is the net force acting on the car?
980 N
500N
100N
200N
22
In order for an object to be moving at a constant velocity, all forces on the object must be
Subverting
Unbalanced
Balanced
Working together
23
What is Newtons's Second law of Mostion
Universal Gravitation
Forace Pairs
Inertia
F=MA
24
What force opposses gravity?
Force Applied
Force Normal
Force Tension
Force Friction
25
Identify the Law
3rd Law
4th Law
1st Law
2nd Law
26
what does μ stand for in physics?
Electricity
Gravity
Speed of Light
Coefficient of Friction
27
If force stays the same, acceleration goes up, what must mass do?
Go up
Go down
Stay the same
28
What is the force if a 10.0 kg object which undergoes an acceleration of 5.0 m/s
2
?
50
50 N
500 N
500
29
If an object is resting on a table, the force of gravity (Fg) is in balance with what force?
Fn
Ft
Ff
Fa
30
Kinetic friction is <u> </u> compaired to Static friction
Less than
Equal to
The same as
More than