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Newton's 2nd Law of Motion
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What happens if you add force to an empty shopping cart?
It moves quickly
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If Tony uses the same force that he used with his car to push his bike, why does the bike move quicker?
It has less mass
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If you applied a net force (pushed) a brick with one hand and pushed a marble with another hand which would go a longer distance?
Marble
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The force that Tony applies to the car does what to the car?
Makes the car move faster
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The mass of the empty cart is what?
Has a lower mass than a full cart
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What is mass?
The amount of material an object has
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If you dropped a plastic cup and a paper cup from a table, which would hit the ground last?
The paper cup
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Why would the pencil and not the straw travel a longer distance
Its heavier or has more mass
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Between the paper and plastic cup, why would the paper cup hit the ground last?
Its lighter or has less mass
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Newton’s 2nd law of motion says the amount of force applied to an object does what?
Affects its speed
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What happens to the MASS of the shopping cart as you add things to it?
The mass increases
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What is the formula for force?
F= m x a
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What are the three concepts that relate to Newton’s 2nd law?
Force, mass, acceleration
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Why would the answer you selected for number 15 go the longer distance?
Its lighter or has less mass
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F= m x a : Force equals mass x acceleration
True
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The acceleration or speed of an object depends on what?
Its mass
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The weight of an object depends on what?
The object's mass
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Why do you need more force to push the cart as items are added to it?
The items in it makes it heavier
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If you tossed a pencil and a paper straw at the same time, which one would travel the shorter distance?
The paper straw
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The amount of force needed depends on what two things?
How fast you want an object to move and its mass
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