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Laws of Motion
Laws of Motion
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Fifth Grade Science Laws of Motion
Flashcards
21 cards
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Questions
21
Answers
1
Which of Newton's Laws is demonstrated by a ball rolling to a wall then stopping?
Newton's 3rd Law
Newton's Law of Deceleration
Newton's 2nd Law
Newton's 1st Law
2
Why is it difficult to scoot a bed from one end of the room to the other?
Friction
Gravity
Deceleration
Momentum
3
What is inertia?
The tendency of an object to stay in motion or at rest
The mass of an object
Another name for unbalanced forces
The opposing force of gravity
4
Who developed the three laws of motion that govern classical physics?
Sir Isaac Newton
Sir Walter Raleigh
Eratosthenes
KIng Henry
5
The amount of force needed to move an object is measured in...
Kilometers
Grams
Seconds
Newtons
6
The acceleration of gravity on Earth is...
9.8 m/s2
89 m/s2
none of these
1.6 m/s2
7
For every action, there is an equal and opposite reaction is which law of motion?
Newton's 2nd Law
Newton's 1st Law
Newton's 3rd Law
The Law of Gravity
8
Gravity always tries to change the velocity of objects. True or False?
True
False
9
A person is measured on the moon, and on Earth. Which statement would be true?
The person's mass on Earth would be double on the moon.
The mass would be the same on the moon as it is on Earth.
The person would have mass on Earth but not on the moon.
Person's mass on the the moon, would be twice that on Earth.
10
For every ____________ there is an equal and opposite ________________.
reaction, action
action, action
reaction, reaction
action, reaction
11
How can you tell if an object is in motion?
The object will look different.
Its position will change in relation to other objects.
It will remain in the same position.
I'll be able to see the forces.
12
Which is NOT how you could tell if a moving object is receiving an unbalanced force?
It will keep moving at the same speed in the same direction.
It might speed up.
It might change direction.
It might slow down.
13
The amount of force that gravity has on an object is affected by what factors?
The object's mass
The object's height
The object's distance from the gravitational force
The object's mass and distance from gravitational force
14
Gravity and magnetism are examples of what kind of forces?
Frictional
Contact
Non-contact
Gravitational
15
Acceleration is the same thing as velocity. True or False?
False
True
16
Which of Newton's Laws describes the amount of force applied to accelerate an object's mass?
Newton's 3rd Law
Newton's 2nd Law
Newton's 1st Law
Newton's 4th Law
17
A greater force is required to move an object with a greater mass than one with a smaller mass.
True
False
18
Newton's second law of motion uses the following formula...
F=MxA
E=mc2
M=FxA
C=2d
19
How long will an object remain at rest, according to Newton's First Law of Motion?
As long as unbalanced forces keep acting on it
It can't rest.
Until an unbalanced force occurs
Until noon
20
A person is measured on the moon and on Earth. Which statement would be true?
mass is different, weight is the same
mass is the same, weight is greater on moon
mass is the same, weight is less on the moon
mass and weight are less on the moon
21
Why do you lean towards the left when a car turns right?
because of inertia
because of buoyancy
because of velocity
because of gravity
