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Newton's Laws & Forces Flashcards | StudBud
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Newton's Laws & Forces
Newton's Laws & Forces
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1
If Mass = 10 kilograms and Acceleration = 3 meters/second, what is the force?
300 Newtons
3.33 Newtons
30
30 Newtons
2
What do we call the force on Earth that keeps us on the ground?
telescope
falling
galaxy
gravity
3
Which of Newton's Laws is this: Every action has an equal opposite reaction.
Newton's Third Law
Newton's Second Law
Newton's First Law
4
Newton's third law is....
For every action there is an equal and opposite reaction
Law of Reaction
Law of Action
i don't know
5
Contact Force is...
A force that resists (fights) motion between 2 surfaces.
a push or a pull.
the force of attraction between two masses.
putting your hands out in front of you.
6
Which object has a larger force of gravity acting on it?
5 kg mass
20 kg mass
7
Newton's First Law states...
Objects at rest or in motion only change with greater force.
Inertia is a main force.
Objects never move.
For every action there is an equal and opposite reaction.
8
How do you solve for force?
F=ma
F=m/a
F=a+m
F=a/m
9
The Force of attraction between two masses is...
Gravity
Push and Pull
Contact Force
Friction
10
How many laws did Newton create?
Three
Six
Four
Eight
11
Which of Newton's Laws of motion is also known as the Law of Inertia?
2nd
4th
3rd
1st
12
If the velocity of an object is constant then what's the net force?
1
0
9.8
-1
13
An object at rest will stay at rest unless acted upon by a/an ___ force
Balanced
Unbalanced
Strong
Accelerating
14
How much force is needed to push a 5kg box at a rate of 4m/s
2
?
1N
1.25N
9N
20N
15
Newton's Third Law states...
Every action is caused by force.
For every action, there is a smaller reaction.
For every action, there is a larger reaction.
For every action, there is an equal and opposite reaction.
16
Newton's third law states that....
for every action, there is an equal but opposite reaction
Newtons are used to measure width
force was discovered by Isaac Newton
17
Which is the cause of an acceleration?
Force
Inertia
Speed
Velocity
18
A Force is a...
Pull
Push and a Pull
Jedi Super Power
Push
19
What does Newton's 2nd Law state?
An inflated object will shrink a bit at a colder temperature
Force is made with speed multiplied by speed of light
Force is found with # of energy molecules
Acceleration is produced when a force acts on a mass
20
Which is a type of force?
Friction
Contact Force, Gravity, and Friction
Contact Force
Gravity
21
What force is applied a car accelerating 2 m/s
2
if the car has a mass of 3,000 kg?
6,000 N
1,500 N
9,000 N
3,000 N
22
Newton's first law states...
acceleration depends on the forces acting upon an object
an object moves when something touches it
An object will remain at rest unless acted upon by an external force
For every action, there is an equal and opposite reaction
23
Which one of these 4 is a Fundamental Force?
Electromagnetic
Gravity
Strong/Weak Nuclear Force
All of the Above
24
What is the mass of a falling rock (10 m/s
2
)if it produces a force of 150N?
15 kg
10 kg
50 kg
30 kg
25
There are 4 Newton's Laws of Physics
True
False
26
What is the acceleration of a softball with a mass of 0.5 kg and a force of 30 N?
120 N
30 N
60 N
15 N
27
What is the type of force that makes come back to the ground when we jump?
friction keeps us on the ground.
Muscular force
push or pull
Gravity pulls us to the Earth
28
A force that resists (fights against) motion between two surfaces is...
Friction
Push and Pull
Contact Force
Gravity
29
What is the unit for force?
Kilograms
m/s2
m/s
Newtons
