Friction always acts and in the direction of the motion of an object

Physics

1 answer:

Fed [463]2 years ago

5 0

Answer:

Friction force always acts tangent to the surface at points of contact. Friction force acts opposite to the direction of motion. There are 2 types of friction: Static friction: If the two surfaces in contact do not move relative to each other, one has static friction.

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Does anyone know this one? Thanks

Inessa [10]

Answer:

$3.844\,*\,10^5$

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Explanation:

Scientific notation requests to write a number using powers of ten as a factor accompanying a real number (a) between 1 and smaller than 10 that contains the digits to exactly represent the original number. So in this case, the number 384,400 can be written as:

$384,400=3.844 \,*\,100,000= 3.844 \,*\,10^5$

with a=3.844, and "5" as the exponent of ten (so b=5)

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$\omega=0.37 [rad/s]$