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