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Newton's Laws
Newton's Laws
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Newtons laws of motion
Flashcards
21 cards
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Questions
21
Answers
1
How long will an object remain at rest, according to Newton's First Law of Motion?
Until noon
Until an unbalanced force occurs
It can't rest
As long as there is unbalanced forces acting on it
2
What is inertia?
The mass of an object
Another name for unbalanced force
The opposite force of gravity
The tendency of an object to continue doing what it's doing
3
A greater force is needed to move an object with more mass than one with a smaller mass.
True
False
4
The amount of force that gravity has on an object is affected by what factors?
Mass
Both A and B
Height
Distance from gravitational force
5
Newton's 3rd law can be summarized by
All forces act in pairs
All forces act independently of each other
All forces are unbalanced
Forces are equal to gravity
6
An object at rest will ________________ if no outside forces are applied.
Stay at rest
Increase Velocity
Decrease Mass
7
Which of Newton's Laws describes the amount of force applied to accelerate an object's mass?
2nd Law
3rd Law
1st Law
4th Law
8
The amount of force needed to move an object is measured in...
SECONDS
KILOMETERS
GRAMS
NEWTONS
9
Determining the weight of an object uses which of Newton's Laws?
2nd
3rd
1st
none of them
10
The acceleration of gravity on Earth is...
89m/s/s
None of the above
0.9m/s/s
9.8m/s/s
11
Is it harder to push a van filled with bowling balls or a van filled with basketballs?
The same difficulty
Bowling Balls
Basketballs
12
Why do you lean towards the left when a car turns right?
Velocity
Gravity
Buoyancy
Inertia
13
Momentum is related to Newtons First Law.
True
False
14
For every ________ there is an equal and opposite _____________.
Reaction, action
action, action
Action, reaction
reaction, reaction
15
Acceleration is the same thing as velocity.
False
True
16
Physics doesn't use any math
True
False
17
Gravity and magnetism are examples of what kind of forces?
Frictional
non-contact
Momentum
contact
18
How could you tell if a moving object is receiving an unbalanced force?
It might slow down.
It might speed up.
It might do any of the three things mentioned above.
It might change direction.
19
Newton's second law of motion uses the formula...
F=MA
E=MCC
A=PRR
None of the above
20
How can you tell if an object is in motion?
It will remain in the same position
The object will look different
You can see the forces
The position will change in relation to other objects
21
Which of Newton's Laws is demonstrated by a ball rolling to a wall then stopping?
2nd Law
Law of Acceleration
1st Law
3rd Law
