PLEASE HELP STATICS ASAP 1200 lb (a) (b) Figure 6.21 X E RR C I S E S 6 2 6.2.1.

Question

PLEASE HELP STATICS ASAP

1200 lb (a) (b) Figure 6.21 X E RR C I S E S 6 2 6.2.1. Consider the description of each planar system and determine whether the proposed free-body diagram is correct. a. A curved beam of weight W is supported at A by a pin connection and at B by a rocker, as shown in E6.2.1a. b. A beam is pinned at B and rests against a smooth incline at A as shown in E6.2.1b. The total weight of the beam is W. c. A forklift is lifting a crate of weight Wi as shown in E6.2.1c. The weight of the forklift is W2. The front wheels are free to turn and the rear wheels are locked. d. A mobile hangs from the ceiling from a cord as shown in E6.2.1d. e. A force acts on a brake pedal, as shown in E6.2.1e. f. A child balances on the beam as shown in E6.2.1f Planes A and B are smooth. The weight of the beam is negligible. g. A beam is bolted to a wall at Bas shown in E6.2.1g. The weight of the beam is negligible. A 8/9 (a) 500 N 200 N 10a 150 500 N 200 N A F Proposed free-body diagram E6.2.1 a C

Explanation / Answer

a.) correct

b.)incorrect:;weight of the beam is not shown

c.)correct

d.)incorrect :;weight of the mobiles are not shown.

e.)correct

f.)correct

g.)correct

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