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Dear candidates you will find MCQ questions of Applied Mechanics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

H

Harikesh • 8.03K Points
Tutor III

Q. 181) A particle is of wieght 8 kg. When it is allowed to fall under the force of gravity its momentum at the time t = 2 sec would be

(A) 8 kg sec
(B) 32 kg sec
(C) 2 kg sec
(D) 16 kg sec
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H

Harikesh • 8.03K Points
Tutor III

Q. 182) The maximum velocity of a body in SHM with amplitude of 150 mm and a frequency 2 vibrations/sec is equal to

(A) 1.885 m/sec
(B) 0.01885 m/sec
(C) 0.1885 m/sec
(D) 18.55 m/sec
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H

Harikesh • 8.03K Points
Tutor III

Q. 183) A wheel 8 mts in diameter coasts to rest from a speed of 800 rpm in 10 minutes. Its angular deceleration is

(A) 308/min2
(B) 683 rad/min2
(C) 502 rad/min2
(D) 809 rad/min2
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H

Harikesh • 8.03K Points
Tutor III

Q. 184) The moment of inertia of a hollow circular section whose external diameter is 8 cm and interial diameter is 6 cm about the axis passing through its centre is

(A) 66.8 cm4
(B) 137.5 cm4
(C) 550 cm4
(D) 33.4 cm4
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H

Harikesh • 8.03K Points
Tutor III

Q. 185) A rope of weight 0.5 kg/m hangs from a drum for a height of 6 m. The work done in winding up the rope will be

(A) 9 kg-m
(B) 3 kg-m
(C) 12 kg-m
(D) 18 kg-m
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H

Harikesh • 8.03K Points
Tutor III

Q. 186) The x coordinate of the centroid of the area enclosed by the parabolas y = x2 and x = y2 will be

(A) 0.44
(B) 0.43
(C) 0.45
(D) 0.46
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Harikesh • 8.03K Points
Tutor III

Q. 187) According to Kepler's law of motion the square of the time period T of a planet around the sun is proportional to the

(A) mean distance
(B) square of the mean distance of planet from sun
(C) cube of the mean distance of planet from sun
(D) 3/2 power of the mean distance
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Harikesh • 8.03K Points
Tutor III

Q. 188) Let the only force acting on two bodies be their mutual interactions. If both bodies start from rest, the distances travelled by each will be a

(A) proportional to the respective masses of the bodies
(B) inversely proportional to the respective masses of the bodies
(C) directly proportional to the square of the respective masses of the bodies
(D) inversely proportional to the square of the respective masses of the bodies
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Harikesh • 8.03K Points
Tutor III

Q. 189) Kinetic friction is

(A) Maximum value of frictional force when a body is about to move
(B) Friction between two well lubricated bodies
(C) Friction force acting when the body is in motion
(D) Friction force which keeps a body in motion
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Harikesh • 8.03K Points
Tutor III

Q. 190) When two forces acting at a point are such that if the direction of one is reversed, the direction of the resultant is turned through a right angle, the forces must be

(A) inclined at more than 90o
(B) inclined at less than 90o
(C) equal in magnitude
(D) acting at 180o
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