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MECANICA

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  • The formula F = m · a belongs to Newton’s third law.
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  • In uniform rectilinear motion, acceleration is constant.
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  • Dynamics is based on Newton’s laws to explain motion.
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  • Mechanics is divided into kinematics, dynamics, and statics.
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  • Dynamics does not study objects at rest.
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  • Statics analyzes objects in accelerated motion.
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  • An object moving at constant speed always has a net force acting on it.
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  • Statics is used in the construction of bridges, buildings, and structures.
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  • An object can be in equilibrium even if forces are acting on it.
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  • If the sum of all forces on an object is zero, it is in equilibrium.
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  • Newton’s third law says that every action has an equal and opposite reaction.
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  • Mechanics is a branch of biology that studies living things in motion.
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  • The formula F = m · a belongs to Newton’s third law.
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  • Kinematics is concerned with trajectory, speed, and time.
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  • Kinematics studies motion and the forces that cause it.
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