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Forces Review
If you are trying to open a door....
What uses magnetic forces?
Forces Review
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1
What uses magnetic forces?
sports equipment
we cannot harness magnetism
certain types of fast moving trains
X-ray machines
2
If you are trying to open a door....
you must create an unbalanced force
you are using a non-contact force
you must create a balanced force to not break the door
3
Why is it difficult to drive on ice?
because there is too much friction between the tires and ground
because there is limited contact between the tires and ground
because there isn't friction between the tires and ground
4
The more potential energy something has.....
the more kinetic energy it could have
kinetic and potential energy are not related
the less kinetic energy it could have
5
What is a force that can act without objects touching?
balanced
unbalanced
non-contact
contact
6
How can forces impact the motion of objects?
slows an object down
stop their movement
all of the above
change their direction
7
Releasing a slingshot is....
compression
applied
friction
normal
8
Which of the following is NOT an example of applied force?
a stack of chairs
pulling a cart
tug-of-war
pushing a box
9
Which has the most potential energy?
a pencil in a pencil case
a person standing on a ladder
a soccer ball lying in the grass
a chair pushed into a table
10
What is another way to describe unbalanced forces?
weak forces
forces that are equal in magnitude
forces that do no produce movement
forces that are unequal
11
Stretching a rubber band is....
applied
gravitational
compression
tension
12
We are able to walk on the ground without sliding everywhere because of....
tension
friction
magnetism
gravity
13
What is a force that requires objects/matter to touch?
non-contact
contact
unbalanced
balanced
14
Name the force used by magnets
normal
electrostatic
magnetism
friction
15
This type of force starts motion
unbalanced
balanced
pushing
pulling
16
Which does NOT show gravity?
throwing a ball into the air
rolling downhill
a book at rest on a table
jumping on a trampoline
17
This force will NOT start motion
tension
balanced
unbalanced
applied
18
What is a force?
anything that affects motion
anything that is strong
something that causes motion everytime
