A cat walks along a uniform plank that is 4.00 m long and has a mass of 7.00 k g

Question

A cat walks along a uniform plank that is 4.00m long and has a mass of 7.00kg (Figure 1) . The plank is supported by two sawhorses, one 0.440m from the left end of the board and the other 1.50m from its right end.

A cat walks along a uniform plank that is 4.00m long and has a mass of 7.00kg (Figure 1). The plank is supported by two sawhorses, one 0.440m from the left end of the board and the other 1.50m from its right end. If the cat has a mass of 3.1kg , how close to the right end of the two-by-four can it walk before the board begins to tip? Express your answer using two significant figures.

Explanation / Answer

the answer is 3.5/3.1~1.129

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