3) The correct answer is choice B. I.e. Work and power.If we recognize the force, the distance, and also the time we can calculate Both work and power. 4 ) The correct answer is choice A. I.e. Force. If you are offered time and also distance, you can determine strength if you recognize force.

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Answer

Force.

Explanation

Power is the are of doing job-related done.

∴ power = (work done) / (time take) ⇒⇒⇒This time is given.

Work is claimed to be have actually done once a force has been used to move an object at a certain distance. Job-related is the product the force and also the distance relocate in the direction of that force.

∴ job-related done = pressure × distance ⇒⇒ This distance is given.

Power = ( pressure × distance ) / (time taken)

So, to obtain power when offered time and distance we need force.



D. Joules

Explanation:

Power = work/ time (unit is watts)

Work = force × distance (unit is Joule)

So as soon as we understand work i m sorry unit is in joules, climate we have the right to know power due to the fact that time is given.



It will certainly be force. Watts is unit that power, and joules space unit of energy, and energy is capacity to act work.



If girlfriend are provided time and also distance, you can determine power if girlfriend knowforce. Watts. Energy. Joules.Answer is joules. strength is identified as the price ofdoing work. Therefore power = occupational / time then you acquire watts. Work is theproduct of force and also displacement (distance). For this reason in formula, w = F x s. Inwhich the S.I unit of occupational is joule in the product. This is what you have actually toobtain in stimulate to calculate for power.
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