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Grade
10/10

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Define in my own words:  When an object is at rest with a balanced force working on it, it remains that way. The same goes for an object in motion; when an object is in motion and has an unbalanced force working on it, it continues to move until another unbalanced force acts on it.

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Define:  When an object is in motion, an unbalanced force is acting on it. Its net force would be greater than 0N with a direction; to the right, left, up, or down.

Where it was seen in the activity: In the magic table cloth activity, the objects were in motion when the table cloth was being pulled out from under the objects, .

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Define:  When an object is at rest, it is not moving, and has a balanced force acting on it. Its net force would be 0N to the no change.

Where it was seen in the activity: In the hoop and marker activity, the Bottle, hoop, and marker were all at rest at one point, with balanced forces acting on it when nobody was touching the objects, waiting to pull out the hoop.

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Definition: An object at rest, continues to be at rest, and an object in motion, continues to be in motion with the same speed and direction, unless the motion is changed by an outside force

Where it was seen in the activity:  In the  hoop and marker activity, the marker kept moving into the jar at the same speed and direction, until it was stopped by the force of the jar.

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Hoop, Pen, and Bottle Trick: slow motion

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Definition: When an object has unbalanced forces working on it, it causes a change of motion on the object. The net force of unbalanced forces is always greater than 0N.

Where it was seen in the activity: In the hoop and marker activity, there was an unbalanced force acting on the marker. When the hoop was taken out from under the marker, gravity had a greater force impact on the marker, causing it to fall into the jar.

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Definition: A push or pull, measured in Newtons

Where it was seen in the activity: Force was seen in the hoop and marker activity when The hoop was quickly moved so the marker fell into the glass. This was the downwards force of gravity acting upon the marker. The hoop was keeping a balanced force working on the marker, but as soon as the hoop was removed, so was its force  acting on the marker.

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Definition: When an object has balanced forces working on it, it does cause any change in movement on the object. The net force of a balanced force is 0N.

Where it was seen in the activity: In the hoop and marker activity, there were balanced forces acting on the marker before it fell into the jar. The force of the hoop was balanced with the force of gravity on the marker. This is why the marker was balanced on the hoop at first, but once the force of the hoop was taken away, the marker fell into the jar.

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Definition:  measure of inertia
Larger mass: bigger inertia
Smaller mass: smaller inertia

Where it was seen in the activity: Mass was seen in the hoop and marker activity when the hoop was pulled out because the hoop had a greater mass than the marker, the hoop was pulled out faster than the marker dropping into the jar.