ab9byrdina7saranianr
ab9byrdina7saranianr ab9byrdina7saranianr
  • 24-06-2016
  • Physics
contestada

Which of the following displays a noncontact force?
a. Opening a door
b. Hitting a golf ball onto a fairway
c. Typing on a keyboard
d. Two magnets pulling toward one another

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littleredstudies
littleredstudies littleredstudies
  • 25-06-2016
d. Two magnets pulling towards each other
Answer Link
gennerandrescarrillo
gennerandrescarrillo gennerandrescarrillo
  • 09-09-2019

Answer:

D. Two magnets pulling toward one another IS A NON CONTACT FORCE

Explanation:

In A. Opening a door requires to touch the door to apply a force.

In B. Hitting a golf ball implies to touch the ball

In C. Typing a key board each finger makes press on a key

Non contact force of the magnets due that the two magnetic fields repels because are in opposite direction.

Answer Link

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