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8th Grade - Motion Part I Flashcards | StudBud
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8th Grade - Motion Part I
8th Grade - Motion Part I
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Newtons Laws / Force / Motion for Middle School Physics.
Flashcards
21 cards
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Questions
21
Answers
1
What would happen if we doubled the mass of the earth?
We would double its gravitational force between all objects
Nothing
We would decrease its gravitational force
It would double only the force it pulls on the moon
2
A rider does a 20-km bicycle trip in 2 hours. The
average speed
of the rider is __
36 km/s2
10 km/hr
360km/hr
400 km/sec
3
(T/F) The more
mass
an object has, the easier it is able to accelerate.
True
False
4
For every action there is an
equal and opposite
reaction is Newton's ________ Law of Motion.
First
Second
Fourth
Third
5
Adding rollers to the bottom of an object you want to move
reduces
its __
gravity
speed
friction
weight
6
Unless an object at rest is acted upon by a force, it
stays at rest
due to its __
matter
gravity
inertia
friction
7
The amount of
matter
in an object is called its __
inertia
force
mass
weight
8
(T/F)
Unbalanced
forces will cause an object to move.
False
True
9
How many school days left in the school year? (2/1/2021)
112
74
27
53
10
A unit of measurement for
force
would be __
meters per second
Newtons
Pounds
Kilograms
11
What day do we have off from school next week?
Friday
Tuesday
Thursday
Monday
12
_______________can cause an object’s motion to
change
.
Gravity
Mass
A balanced force
An unbalanced force
13
What is the name of the google classroom where we have school events like playing Among Us or School wide Quizs?
Cougar Classroom
The Cougar Lounge
Cougar Hangout
GameStop
14
What would happen if the Earth was moved farther from the Sun?
Our year would be longer
Our year would be shorter
15
What would happen to the earth if gravity suddenly went away?
It would keep circling the sun
It would fly away into space in a straight line
Nothing
It would crash into the sun
16
A boat
moving forward
due to the paddling of oars
backward
is best an example of __
For every action there is a reaction
Gravity
Planetary Motion
Newton's Law of Speed
17
What might happen if the earth orbited too close to the sun?
BOOM!
Nothing
The earth and sun would pull each other closer until they collided
The earth would be pushed away
18
The unit of measurement for
acceleration
is___
feet/sec
m/sec2
mph
m/gm3
19
Speed
measurements are given in units of __
Newtons
time/distance
distance/time2
distance/time
20
Newton’s Second Law
states the relationship of mass, acceleration, and force. It says that __
Force equals mass times acceleration
Force equals acceleration divided by mass
Force equals mass divided by acceleration
Acceleration is equal to force
21
A force pushing 50 N East against a force pushing 30 N West would
move
an object __
West
East
North
South