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Published byColeen Shonda Stevens Modified over 8 years ago
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4 – Design an experiment to demonstrate how forces affect the motion of an object. 3 – Describe and explain that an unbalanced force changes an object’s speed and/or direction. - Interpret & analyze distance-time graphs. 2 - Calculate the speed, time, and distance of a moving object. 1 – Describe how forces affect the motion of an object.
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Unbalanced forces – forces acting on an object that do not have a net force of zero. Balanced forces – forces acting on an object that have a net force of zero. Net force – all the forces put together.
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If the forces are going in opposite directions, then subtract them. 10 N 15 N Net force = 5 N to the left If the forces are going in the same direction, then add them together. 15 N 10 N Net force = 15 N to the right
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If James pulls the box with a force of 4 N to the left and John pushes the same direction with a force of 5 N. What is the net force?
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If Cammie pushes the cart with a force of 2 N to the right and Hailey pushes the cart with a force of 2 N to the left, what is the net force?
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An object is in motion if the distance from another object is changing. A reference point is the starting point you choose to describe the location, or position of an object. Position is an object’s distance and direction from a reference point.
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Unbalanced forces cause an object to change its speed, direction, or both.
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