The mass of the uniform cantilever shown in (Figure 1) is 1900kg. a.) Determine

Question

The mass of the uniform cantilever shown in (Figure 1) is 1900kg.

a.) Determine the force on the beam at A. (Please show steps.)

Express your answer to two significant figures and include the appropriate units. Enter positive value if the force is upward and negative value if the force is downward.

b.) Determine the force on the beam at B. (Please show steps.)

Express your answer to two significant figures and include the appropriate units. Enter positive value if the force is upward and negative value if the force is downward.

Explanation / Answer

moments abou B

Fa*20 + m*g*5 = 0
Fa = -(1900*9.8*5)/20 = -4655 N..down wards

b) about A

Fb*20 + m*g*25 = 0

Fb = -(m*g*30)/20 = ((1900*9.8*25)/20 = -23275 N...down

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