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3 years ago

What is noncontact force

Physics

2 answers:

crimeas [40]3 years ago

7 0

Answer:

Non-contact force are forces that exist(arise) without any form of contact between two objects.

Examples are ;

: Magnetic Force ;is a force that attracts certain metal objects (like iron and iron filings) towards a magnet.
Electrostatic Force ;s the force exerted by a charged body on another charged or uncharged body
Gravitational force ; is a force exerted by the earth on all objects on it

Explanation:

Musya8 [376]3 years ago

6 0

Answer:

A non-contact force is a force which acts on an object without coming physically in contact with it.

Explanation:

For example:

Gravitational force.

Magnetic force.

Electrostatics.

Nuclear force.

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2 years ago

The lowest note on a grand piano has a frequency of 27.5 Hz. The entire string is 2.00 m long and has a mass of 440g . The vibra

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Answer:

Tension, T = 2038.09 N

Explanation:

Given that,

Frequency of the lowest note on a grand piano, f = 27.5 Hz

Length of the string, l = 2 m

Mass of the string, m = 440 g = 0.44 kg

Length of the vibrating section of the string is, L = 1.75 m

The frequency of the vibrating string in terms of tension is given by :

$f=\dfrac{1}{2L}\sqrt{\dfrac{T}{\mu}}$

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$\mu=\dfrac{0.44}{2}=0.22\ kg/m$

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3 years ago

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2 years ago

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