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SEGUNDO GRADO
CAS-CONTENIDOS BÁSICOS
73. Es el tipo de fuerza que se manifiesta cuando dos superficies en contacto se deslizan una sobre la otra y
siempre se opone al movimiento de los objetos.
A) Fricción.
B)
Inercia.
C)
Equilibrio.
D) Cinética.
74. La energía de las piedras lanzadas al aire de un volcán y la lava en movimiento son ejemplo de energía
A) potencial
B) mecánica
C) térmica
D) cinética
75. La mayoría de los vehículos modernos funcionan con motores de combustión interna, una de sus funciones

Sagot :

GinnyAnsweridn

Final answer:

Friction is a force that opposes the movement of surfaces sliding against each other and converts kinetic energy into heat.


Explanation:

Friction is a force that resists movement between two surfaces sliding against each other. It converts kinetic energy into heat and can be kinetic or static depending on the movement of the surfaces. Friction arises from fundamental electromagnetic forces between the charged particles of the surfaces.


Learn more about Friction here:

https://brainly.com/question/39369436


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