Applied Mechanics and Graphic Statics - Interview Questions | Exam2Win

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51. A solid cylinder of mass M and radius R rolls down an inclined plane without slipping. The acceleration of centre of mass of rolling cylinder is

A. (1/3) g sinB

B. (2/3) g cos 9

C. (2/3) g sin 0

D. g sin 9

Explanation:

52. At the instantaneous centre, the velocity of the moving lamina at any instant is

A. zero

B. maximum

C. minimum

D. varying

Explanation:

53. The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is

A. 98 m

B. 490 m

C. 980 m

D. 1960m

Explanation:

54. A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about

A. 1/4

B. 1/3

C. 1/2

D. 1/5

Explanation:

55. For a given velocity of a projectile, the range is maximum when the angle of projection is

A. 30�

B. 45�

C. 90�

D. 0�

Explanation:

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