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24 Cards in this Set
- Front
- Back
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The study of force,friction,pushes and pulls is called
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Gravity |
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Friction is a force caused by two things blank together. |
Put |
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Things cannot stop if there is no blank to help them stop. |
Friction |
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A force blank in the opposite direction will stop an object from moving. |
Coming |
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Walking causes s friction between the ground and your |
Feet |
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The force behind pushing a ball forward pushes the pitcher |
Back |
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Friction from the ground is needed to blank things down |
Slow |
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It is blank to play baseball without the force of friction. |
Impossible |
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A push is a blank that is used to make things move. |
Force |
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Blank is a force of nature that blows things around. |
Wind |
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Pushing down on an object prevents it from blank. |
Moving |
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Pushing on an object also blank the amount of friction that is used |
Increases |
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If there is too much friction blank will not be able to move |
Objects |
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A baseball will keep going unless there is a force to blank it. |
Stop |
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Contact force |
A force that requires two pieces of matter to touch |
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Non-contact force |
That acts at a distance.It doesn't have to touch. |
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Gravity |
There force of attraction between any two objects. |
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Electric forces |
Act between objects that are electrically charged. |
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Magnetic forces |
Of magnets attract and repel just like electrical forces. |
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A force is |
A push or a pull |
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The strength of a force is measured in |
Newtons(N) |
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Balanced forces |
Cancel each other out and cannot change the motion of the object. |
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Unbalanced forces |
Occurs when one of the forces acting upon an object is greater than another force. |
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Ddddd |
