Re: [MTH304 Assignment 1 Solution and Discussion
Assignment # 1 MTH304 (SPRING 2020)
Maximum Marks: 20
Due Date: 15 -06-2020
DON’T MISS THESE: Important instructions before attempting the solution of this assignment:
• To solve this assignment, you should have good command over First 10 lectures.
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Question No. 1:
A particle of mass 5kg is placed on an inclined plane which makes an angle of 30o with the horizontal. Find the forces acting on the particle parallel and perpendicular to the plane.
MARKS 10
Question No. 2:
Find the magnitude of resultant of the forces shown in the figure.
Also find the angle that the angle that the resultant makes with x-axis.
MARKS 10
Q. 1
A non-uniform beam AB of length 8 m and mass 8 kg rests on a pivot at the mid-point C. When a mass of 2 kg rests on the beam 1.5 m from B, the system is in equilibrium. Find the distance between A and the centre of mass of the beam.
Q. 2
A uniform rod AB of length 10 m and weight 5 N rests on two supports at B and C, where C is 1 m from A. A weight of 6 N is attached to the rod 2 m from A. Given that when a load is attached 0.5 m from A, the rod is on the point of tilting about C, Find the weight of this load in Newton.
Assignment # 2 MTH304 (Fall 2019)
Maximum Marks: 20
Due Date: 10 -12-2019
DON’T MISS THESE: Important instructions before attempting the solution of this assignment:
• To solve this assignment, you should have good command over First 18 lectures.
• Try to get the concepts, consolidate your concepts and ideas from these questions which you learned in first 18 lectures.
• Upload assignments properly through LMS, No Assignment will be accepted through email.
• Write your ID on the top of your solution file.
• Don’t use colorful back grounds in your solution files.
• Use Math Type or Equation Editor etc for mathematical symbols.
• You should remember that if we found the solution files of some students are same then we will reward zero marks to all those students.
• Try to make solution by yourself and protect your work from other students, otherwise you and the student who send same solution file as you will be given zero marks.
• Also remember that you are supposed to submit your assignment in Word format any other like scan images etc will not be accepted and we will give zero marks correspond to these assignments.
Question No. 1:
Three coplanar forces of magnitudes FN, 12N and 10N act at a fixed point O and are in equilibrium. The directions of the forces are shown in the diagram. Find the values of and F.
[image: z6UQUXq.png]
MARKS 10
Question No. 2:
A particle of mass 5kg is suspended by two strings. If these strings make angles of 30o and 45o with the horizontal, find the tensions in each string.
MARKS 10
Assignment # 1 MTH304 (Fall 2019)
Maximum Marks: 20
Due Date: 17 -11-2019
DON’T MISS THESE: Important instructions before attempting the solution of this assignment:
• To solve this assignment, you should have good command over First 10 lectures.
• Try to get the concepts, consolidate your concepts and ideas from these questions which you learned in first 10 lectures.
• Upload assignments properly through LMS, No Assignment will be accepted through email.
• Write your ID on the top of your solution file.
• Don’t use colorful back grounds in your solution files.
• Use Math Type or Equation Editor etc for mathematical symbols.
• You should remember that if we found the solution files of some students are same then we will reward zero marks to all those students.
• Try to make solution by yourself and protect your work from other students, otherwise you and the student who send same solution file as you will be given zero marks.
• Also remember that you are supposed to submit your assignment in Word format any other like scan images etc will not be accepted and we will give zero marks correspond to these assignments.
Question No. 1:
A particle of mass 10kg is placed on an inclined plane which makes and angle of with the horizontal. Find the resolved parts of the weight of the particle in the direction parallel and perpendicular to the plane. MARKS 10
Question No. 2:
Two particles of mass 3kg each are connected by a light inextensible string which passes over a smooth fixed pulley, which is attached to a string C. The string C is hanging on the fixed support. The particles are at rest. Find the tension in the string C. MARKS 10
MTH304 Assignment 3 Solution and Discussion
MTH304 - Statics
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Q. 1
A non-uniform beam AB of length 8 m and mass 8 kg rests on a pivot at the mid-point C. When a mass of 2 kg rests on the beam 1.5 m from B, the system is in equilibrium. Find the distance between A and the centre of mass of the beam.Q. 2
A uniform rod AB of length 10 m and weight 5 N rests on two supports at B and C, where C is 1 m from A. A weight of 6 N is attached to the rod 2 m from A. Given that when a load is attached 0.5 m from A, the rod is on the point of tilting about C, Find the weight of this load in Newton. -
Q.1 Solution:
Anti clockwise moment = Clockwise moment
8gN * d = 2gN * 2.5m
8d = 5Nm
d = 5/8
d = 0.625m
= 4 – d
= 4 – ( 0.625)
= 3.375mQ. 2 Solution:
R = 0
Taking moment about ‘C’
w * 0.5 = 6 * 1N + 5 * 4m
0.5w = 26Nm
w = 26/0.5m
w = 52 N
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