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Force and Simple Machines
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the push or pull of an object that causes it to move
the push or pull of an object that causes it to move
force
an object that makes work easier
an object that makes work easier
simple machine
a force that slows or stops movement between 2 surfaces
a force that slows or stops movement between 2 surfaces
friction
a force that pulls an object towards another object
a force that pulls an object towards another object
gravity
A v-shaped simple machine made up of 2 inclined planes
A v-shaped simple machine made up of 2 inclined planes
wedge
To move a heavier object, you must apply a _______ force
To move a heavier object, you must apply a _______ force
greater force
What force moves an object away?
What force moves an object away?
push
Two boxes are pushed with the same amount of force. One is empty and the other has books in it. Which one will travel the farthest?
Two boxes are pushed with the same amount of force. One is empty and the other has books in it. Which one will travel the farthest?
the empty box
What force brings an object close to you?
What force brings an object close to you?
pull
Name 2 ways a force can change an object's movement?
Name 2 ways a force can change an object's movement?
start moving, stop moving, change direction, change speed
What causes a box to move slower on carpet than on hardwood floors?
What causes a box to move slower on carpet than on hardwood floors?
friction
Rivers flowing downhill is an example of what?
Rivers flowing downhill is an example of what?
gravity
When you drop a ball, what is the force that pulls it towards the ground called?
When you drop a ball, what is the force that pulls it towards the ground called?
gravity
Name a way to lessen the friction of a heavy box.
Name a way to lessen the friction of a heavy box.
add wheels, smooth surfaces, oil/wax, lighten it
Which force makes it possible for you to walk? Think carefully!!
Which force makes it possible for you to walk? Think carefully!!
friction AND gravity
Does a simple machine increase or decrease the amount of force needed to move an object?
Does a simple machine increase or decrease the amount of force needed to move an object?
decrease
Which simple machine is used to split or cut objects?
Which simple machine is used to split or cut objects?
wedge
Simple machines increase the distance of a force and what else?
Simple machines increase the distance of a force and what else?
changes the direction
What is a compound machine?
What is a compound machine?
an object made of 2 or more simple machines
Several simple machines can help you lift heavy object. What are they?
Several simple machines can help you lift heavy object. What are they?
lever, inclined plane, pulley
Flagpole
Flagpole
pulley
crowbar
crowbar
lever
knife
knife
wedge
bottle cap
bottle cap
screw
doorknob
doorknob
wheel and axle
Let's say you played cone ball in PE today. List the forces and examples of them that you used during the game.
Let's say you played cone ball in PE today. List the forces and examples of them that you used during the game.
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What Would You Like To Risk?
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Go To The Final Question
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Edit This Game:
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