Force and Motion. Force Push or pull on an object.
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Transcript of Force and Motion. Force Push or pull on an object.
![Page 1: Force and Motion. Force Push or pull on an object.](https://reader035.fdocuments.in/reader035/viewer/2022062217/56649f385503460f94c548a6/html5/thumbnails/1.jpg)
Forceand
Motion
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Force
• Push or pull on an object.
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Inertia
• Tendency of a motionless object to stay motionless, unless acted on by a force.
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Backward Push
• Force from behind that sets an object in motion.
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Gravity
• Force that pulls an object toward Earth.
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Friction• Objects resistance to move because another
resistance is acting in the opposite motion. (If an object is moving, the opposite is not moving; therefore, their forces are acting on each other causing an object to slow down).
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Lubricant
• Material used so objects don’t stick to another, such as, oil, wax, grease, or Teflon.
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Diagram Arrows
• Arrows describing a force’s action on an object through a visual display:– Direction of force.– Magnitude/strength of
force. The longer the line the more strength of the force.
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Mass
• Amount of matter in an object. The greater the mass, the less force affects the objects. More force is needed to move more mass.
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Speed
• How far an object moves in a given period.
Formula:
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Velocity
• Measure of speed that accounts for direction of movement.
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Slope
• Distance covered while coming down from a height.
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Graph
• Compares different information in a pictorial representation, such as using bars, lines, and points.
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Acceleration
• Object’s increased speed of motion.
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Work
• In scientific terms: done only when a force moves an object.
• Force/energy is the ability to do work.
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Resistance Force
• A force such as gravity or friction.
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Air Resistance
• Gas molecules being pushed upon by a force.
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Types of Force
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Newton’s 1st Law of Motion(Law of Inertia)
• An object with no unbalanced force acting on it will either remain at rest, or continue moving at constant speed in a straight line unless a force acts on it.
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Newton’s 2nd Law of Motion(Law of acceleration)
• When an unbalanced force is applied to an object, it will accelerate in the direction the force moved it. Greater the force, the faster the object will move.
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Newton’s 3rd Law of Motion
• For every action of force, there is an equal and opposite reaction of force.
https://www.youtube.com/watch?v=KvPF0cQUW7s