Key Terms: Forces and Free Body Diagrams

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The resistance an object has to a change in its state of motion.

• Inertia

• Forces

• Free Body Diagram

• Friction

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An influence that can change the motion of an object. A push or pull that acts upon an object as a result of that objects interactions with its surroundings.

• Inertia

• Forces

• Free Body Diagram

• Friction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

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A graphical illustration used to visualize the applied forces, moments, and resulting reactions on a body in a given condition.

• Inertia

• Forces

• Free Body Diagram

• Friction

Tags

NGSS.MS-PS3-1

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Force that resists the sliding or rolling of one solid object over another. Traction.

• Inertia

• Forces

• Free Body Diagram

• Friction

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A quantitative measurement of inertia, a fundamental property of all matter. It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force.

• Mass

• Weight

• Net Force

• Normal Force

Tags

NGSS.MS-PS2-2

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Defined as the force of gravity on the object and may be calculated as the mass times the acceleration of gravity, w = mg.

• Mass

• Weight

• Net Force

• Normal Force

Tags

NGSS.MS-PS2-4

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The vector sum of all the forces that act upon an object. It is the sum of all the forces.

• Mass

• Weight

• Net Force

• Normal Force

Tags

NGSS.MS-PS2-2

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An everyday force that is felt when a surface pushes against an object that is placed on that surface. A contact force that is perpendicular to the surface that an object contacts.

• Mass

• Weight

• Net Force

• Normal Force

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The force that is transmitted through a rope, string or wire when pulled by forces acting from opposite sides.

• Tension Force

• Coefficient of Friction

• Gravitational Force

• Gravity

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Ratio of the frictional force resisting the motion of two surfaces in contact to the normal force pressing the two surfaces.

• Tension Force

• Coefficient of Friction

• Gravitational Force

• Gravity