Semester : SEMESTER 1
Subject : ENGINEERING MECHANICS
Year : 2020
Term : DECEMBER
Branch : MECHANICAL ENGINEERING
Scheme : 2019 Full Time
Course Code : EST 100
Page:2
0000EST 10012 1903
8 A body is projected at an angle such that its horizontal displacement is 3 times (3)
that of maximum height. Find the angle of projection.
9 A motor car is uniformly accelerated from 40 kmph to 50 kmph over a distance (3)
of 300m. If the wheels are 1 m diameter, find the angular acceleration of wheels.
10 Differentiate between curvilinear motion and projectile motion. (3)
PART B
(Answer one full question from each module, each question carries 14 marks)
Module-I
11 a) A rope 9m long is connected at A and B, two points on the same level, 8m apart. (5)
A load of 300N is suspended from a point C on the rope 3m from A. What load
connected to point D, on the rope, 2m from B is necessary to keep portion CD
parallel to AB.
b) The resultant of a system of four forces is 5kN directed towards right along X- (9)
axis. Find the force P and its
⋅⋅ ர்
direction 0.
जे R=5
3 ५ भ > x
20” 0
50۷
2811
12 Three cylinders are piled in a rectangular ditch as in Fig. Neglecting friction, (14)
determine the reaction between cylinder A and vertical wall.
(ரன் 1//1/111/11/11111,
لح 360
1100111-11
13 a) A beam 6 m long is loaded as shown. Calculate the reactions at A and 8. (7)
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