2. A hole was punched on a trapezoidal plate as shown below. Find the distance between the centroid before the hole was punched and that after the hole was punched. Given : last digit ends with odd nos. a = 25 b = 50 c = 25 d = 25 e = 25 f = 12.5 g = 12.5 h = 12.5 Ans: D = Given : last digit ends with even nos. a = 20 b = 40 c= 20 d = 20 e = 20 f= 10 g = 10 h = 10 Ans:D=

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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2. A hole was punched on a trapezoidal plate as shown below. Find the distance between the
centroid before the hole was punched and that after the hole was punched.
Given : last digit ends
Given : last digit ends
with even nos.
a = 20
b = 40
c = 20
d = 20
with odd nos.
a = 25
b = 50
c = 25
d = 25
e = 25
f= 12.5
g = 12.5
h = 12.5
Ans: D =
e = 20
f = 10
g = 10
h = 10
Ans:D=
3. Blocks A and B have a mass of ma and mol respectively and are connected to the weightless
links as shown below. Determine the largest vertical force P that can be applied at the pin C
without causing any movement. The coefficient of static friction between the blocks and the
contacting surfaces is f = 0.32.
Given : last digit ends
with odd nos.
f = 0.32
M, = 5 kg
Мь 316 kg
Given : last digit ends
with even nos.
I
f = 0.30
M, = 3 kg
M, = 9 kg
Ans: P =
Ans: P =
Transcribed Image Text:2. A hole was punched on a trapezoidal plate as shown below. Find the distance between the centroid before the hole was punched and that after the hole was punched. Given : last digit ends Given : last digit ends with even nos. a = 20 b = 40 c = 20 d = 20 with odd nos. a = 25 b = 50 c = 25 d = 25 e = 25 f= 12.5 g = 12.5 h = 12.5 Ans: D = e = 20 f = 10 g = 10 h = 10 Ans:D= 3. Blocks A and B have a mass of ma and mol respectively and are connected to the weightless links as shown below. Determine the largest vertical force P that can be applied at the pin C without causing any movement. The coefficient of static friction between the blocks and the contacting surfaces is f = 0.32. Given : last digit ends with odd nos. f = 0.32 M, = 5 kg Мь 316 kg Given : last digit ends with even nos. I f = 0.30 M, = 3 kg M, = 9 kg Ans: P = Ans: P =
NAME:
STUDENT #:
Instructions:
1. Mind your own set of problems, Given data for A = all odd numbers and B for all even numbers.
Pls write your final answer on red marks.
2. Write the problem, FBD and solution to the problems.
3. Submit INDIVIDUALLYat my gmail account only on prescribed time allotted.
Problems:
1. A ladder resting on a horizontal floor leans against a vertical wall at angle e with the floor. The
coefficient of friction at all surfaces is f. If it is to support a weight of man (W) at the top, what
should be the limititing value of a? Neglect the weight of the ladder.
Weight of Man
Given : last digit ends
with odd nos.
f = 0.32
W = 65kg
Ans: a =
Given : last digit ends
with even nos.
f = 0.28
W = 55kg
Ans: a =
Transcribed Image Text:NAME: STUDENT #: Instructions: 1. Mind your own set of problems, Given data for A = all odd numbers and B for all even numbers. Pls write your final answer on red marks. 2. Write the problem, FBD and solution to the problems. 3. Submit INDIVIDUALLYat my gmail account only on prescribed time allotted. Problems: 1. A ladder resting on a horizontal floor leans against a vertical wall at angle e with the floor. The coefficient of friction at all surfaces is f. If it is to support a weight of man (W) at the top, what should be the limititing value of a? Neglect the weight of the ladder. Weight of Man Given : last digit ends with odd nos. f = 0.32 W = 65kg Ans: a = Given : last digit ends with even nos. f = 0.28 W = 55kg Ans: a =
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