3 years ago

What is the action force and the reaction force when you sit down on a chair

1 answer:

4 0

The action force is when you are putting your weight on the chair when you are sitting down. the reaction force is the force exerted by the chair that pushes up on your body and is equal to your weight.

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A body moving with an acceleration 2 m/s?then what is the change in velocity in 4sec.

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Answer:

As Per Provided Information

Moving body has 2m/s² acceleration

Time taken by body is 4 second

We are asked to find the 'change in velocity' ( ∆V) by the body.

Formula Used here

$\boxed{\bf{\Delta \: V \: = acceleration \: \times time \:}}$

Substituting the given value

$\sf\longrightarrow\Delta\:V \: = 2 \times 4 \\ \\ \\ \sf\longrightarrow\Delta\:V \: =8m {s}^{ - 1}$

Therefore,

Change in velocity is 8 m/s

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2 years ago

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hodyreva [135]

Answer:

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Explanation:

i believe that is right

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3 years ago

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Answer:

Explanation:

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Answer:

true

Explanation:

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