Penulis Topik: Moving a house (Dibaca 446 kali)

Fachni Rosyadi · « **pada:** November 06, 2011, 11:51:57 PM »

Suppose you were planning to move a house by tansporting it on a large trailer. The house has an estimated wight of $45.6$ tons ( $1\ \text{ton}=2000\ \text{lb}$ ). The trailer is expected to weigh $8.3$ tons. Each wheel of the trailer will have tires inflated to a gauge pressure of $85$ psi (which is actually $85$ psi above atmospheric pressure). If the area of contact between a tire and the pavement can be no larger than $100\ \text{in}^2$ ( $10\ \text{in} \times 10\ \text{in}$ ), what is the minimum number of wheels the trailer must have? (Remember, tires are mounted in multiples of two on a trailer. Assume that atmospheric pressure is $14.7$ psi).

(Brady, 430/10/83)

syx · « **Jawab #1 pada:** November 07, 2011, 07:18:05 AM »

ini bukannya fisika ya?

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Penulis Topik: Moving a house (Dibaca 446 kali)

Fachni Rosyadi

Moving a house

syx

Re: Moving a house