study guide - Study Guide : Motion: Gravity = weight =...

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Unformatted text preview: Study Guide : Motion: Gravity = weight = earth pulling down Newtons 3 Laws of Motion: 1. Inertia - property of mass- if nothing happens to it, it will remain still. If its moving it will not slow down unless something happens to it. Momentum = Mass (Inertia) x Velocity 0 = inertia x 2. Acceleration = (Net) Force/ Mass, as mass gets larger acceleration gets smaller with the same net force. FN= ma 3. Force Pairs- one object puts a force on another object in one direction and the second object pushes back on the first object in the opposite direction.- You do not need more than one force to have a net force Net Force- the combination of all forces that act on an object, you dont need more than one force to have a net force Friction- resistance on moving objects; solids- friction, liquids- resistance, gas- air resistance o More texture = more friction; more weight or pressure = more friction; more surface area that touches = more friction; higher the relative velocity = more friction; friction always pushes against the direction the object is moving...
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study guide - Study Guide : Motion: Gravity = weight =...

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