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15 Cards in this Set
- Front
- Back
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Newton’s First Law |
An object at rest will remain at rest, and an object that is moving will continue to move in a straight line with constant speed, if and only if the net force acting on that object is zero. |
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Newton’s Second Law |
The acceleration of an object is proportional to the net force and inversely proportional to the mass of the object being accelerated. |
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Newton’s Third Law |
All forces come in pairs and that two forces in a pair act on different objects and are equal in strength and opposite in direction. |
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Force |
A push or pull exerted on an object. |
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Free Body Diagram |
A physical model that represents the forces acting on a system. |
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Net Force |
The vector sum of all the forces on an object. |
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Inertia |
The tendency of an object to resist change. |
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Equilibrium |
The net force of an object is zero. |
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Apparent weight |
The forced experienced by an object, resulting from all the forces acting on it, giving the object acceleration. |
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Weightlessness |
There is no contact forces pushing up on the object, and the objects apparent weight is zero. |
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Drag force |
A force exerted by a fluid on an object moving through the fluid. |
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Terminal velocity |
The constant velocity that is reached when the drag force equals the force of gravity. |
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Interaction pair |
Two forces that are in opposite directions and have equal magnitude. |
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Tension |
The force exerted by a rope or string. |
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Normal force |
The perpendicular contact force exerted by a surface on another object. |
