Question

if units of length and force are increased to four times then how much increSe will be there in the unit of pressure?
(how i solve this)​

Answer 1

Answer:

Answer: 16 times.

Dimensionally, Force is represented as [MLT−2] and Length as [L].

⇒ Energy =Fd is represented as [MLT−2]×[L]=[ML2T−2].

Therefore, if Force and length are quadrupled in value, Energy =4[MLT−2]×4[L]=16[ML2T−2].

⇒ the unit of energy increased 16 times.

Explanation:

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