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the yacht shown below has a mass of 8300kg. for land transportation,the yacht is secured on a trailer. each tyre on the trailer can support upto a maximum of 7000N . what is the least number of tyres the trailer should have to support the yacht adequately​

Answer :

1 kg = 9.81N

8300 kg x 9.81 = 81,423N

81,423 / 7000 = 11.63 tires.

The least amount of tires would be 12