Balanced forces on an object means that, for example, gravity is pulling something down with 25kg of force, and the floor is pushing up with...
25kg of force
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15
What kind of force only works with metals that have iron?
magnetic force (or, magnet)
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25
Which type of force happens when an object is pulled OUT of shape?
Tension
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20
If an object is moving left and its slowing down, it's because of friction. What is friction doing? (pushing the object left; pushing the object right; pulling the object left; pulling the object right)
It's pulling the object right.
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lifesaver
Give 10 points!
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star
Double points!
Okay!
fairy
Take points!
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banana
Go to last place!
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lifesaver
Give 15 points!
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seesaw
Swap points!
Okay!
fairy
Take points!
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banana
Go to last place!
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25
Gravity is pulling the balloon down AND a tiny little mouse is pulling the balloon down by a string BUT air friction is pulling the balloon up AND flying butterflies are pushing the balloon up. What are all those forces called toegether?
net force
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15
What does the word "contact" from "contact force" mean?
touch; when two or more objects touch
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15
Please give an example of spring force.
A bouncing ball; a spring in a pinball machine; a rubber band springing back.
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25
Please give an example of tension force.
A string pulled tight can pull another object.
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monster
Reset all scores!
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gift
Win 20 points!
Okay!
fairy
Take points!
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lifesaver
Give 15 points!
Oops!
lifesaver
Give 20 points!
Oops!
seesaw
Swap points!
Okay!
shark
Other team loses 10 points!
Okay!
thief
Give points!
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20
An object in motion tends to...
stay in motion (keep going, etc)
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25
Gravity pulls you to the ground with a lot of force. That also means...
you are pulling it to you. (two objects with mass move towards eachother)
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15
Please give an example of friction.
Rubbing our hands together; using brakes on your bike...or even the contact between the wheels and the ground (etc.)