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Force And Motion 1
Test Description: Force and Motion
Instructions: Answer all questions to get your test result.
1) An object is in motion if
A
The mass changes
B
The distance changes from the reference point
C
The size changes
D
The weight changes
2) The reference point is the object that you use to determine if an object is in motion
A
false
B
true
3) A force is a
A
Push
B
Pull
C
Both a push or a pull
D
neither a push or a pull
4) What do you need to describe a force?
A
Both the strength and direction
B
Direction
C
neither the strength or direction
D
Strength
5) What units do we measure a force in?
A
watts
B
Newtons
C
Kilograms
D
Pounds
6) A contact force is a push or a pull where you DO NOT touch the object.
A
true
B
false
7) A contact Force is a push or a pull where you DO touch the object.
A
true
B
false
8) A non-contact Force is a force where you put a push or a pull on an onbject without touching it.
A
true
B
false
9) A non-contact force is a force where you put a push or a pull on the object while touching it.
A
false
B
true
10) Which one is a non-contact force?
A
all of these
B
Gravity
C
Magnetism
D
Electricity
11) Which ones is not a contact force?
A
Gravity pulling a book to the ground
B
chewing gum
C
Pulling a wagon
D
Throwing a baseball
12) Friction is a
A
non-contact force
B
Contact force
13) Friction occurs when an object is rubbing against another object.
A
false
B
true
14) Friction always acts
A
in the opposite doirection of the motion
B
In the same direction as the motion
15) Gravity will
A
cause objects to get further apart.
B
Cause objects to get closer together.
16) Equal forces in opposite directions is a
A
balanced force
B
unbalanced force
17) Which one will change an object's motion?
A
balanced force
B
unbalanced force
18) A net force is the total forces acting on an object.
A
true
B
false
19) What is the net force of 20 N Left and 20 N Right
A
10 N up
B
Zero N
C
40 N left
D
40 N right
20) What is the net force of 5 N East and 2 N west
A
3 N west
B
7 N East
C
7 N west
D
3 N East
*select an answer for all questions
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