Question

A diving board of length 3.00 m is supported at a point 1.00 m from the end, and a diver weighing 470 N stands at the free end (Figure 1). The diving board is of uniform cross section and weighs 255 N. Figure < 1 of 1 > K 1.00 m* -2.00 m

Part A

Find the magnitude of the force at the support point.

Express your answer in newtons to three significant figures.

FF =	nothing	NN

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Part B

Find the direction of the force at the support point.

Find the direction of the force at the support point.

upward

downward

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Part C

Find the magnitude of the force at the left-hand end.

Express your answer in newtons to three significant figures.

FF =	nothing	NN

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Part D

Find the direction of the force at the left-hand end.

Find the direction of the force at the left-hand end.

upward

downward

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Answer 1

Part A, B मा A Img ng Consider the different forces acting on the alveng board and bet Consider the retational equilibrium about the left end A sotational equilibrium. about o Nxon = mg xoB+ mg xo OB=1.5m NXIm=255 * lost 47043 I Loc=m oft - im N = 1792.54 Direction of force at the support point és Upward

feg Consider the Consider, rotational equilibrium C about a A B او Do trong wg Mix0A = ng x AB Ni support pourt ting XAC Mg Board Nxlm = Mg +0.57 mg x2 weigul Ni= 25540-st stox2 mg B-oliver weight Ni=1067.5N force at the left-hand end. The chrection of force at the left hand end is downward