A 42 k g , 5.4- m -long beam is supported, but not attached to, the two posts in

Question

A 42kg , 5.4-m-long beam is supported, but not attached to, the two posts in the figure (Figure 1) . A 23kg boy starts walking along the beam.

For help with math skills, you may want to review:

A)How close can he get to the right end of the beam without it falling over?

A 42kg , 5.4-m-long beam is supported, but not attached to, the two posts in the figure (Figure 1) . A 23kg boy starts walking along the beam. You may want to review For help with math skills, you may want to review: How close can he get to the right end of the beam without it falling over?

Explanation / Answer

so

(3-5.4/2)*42 = 23(5.4-3-x)

x= 2.4-(0.3*42/23)

1.852 m

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