Applied Mechanics and Graphic Statics A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is 90 m/sec 75 m/sec 70 m/sec 80 m/sec 90 m/sec 75 m/sec 70 m/sec 80 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2A, the energy becomes 2E 4E E E/2 2E 4E E E/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is 45° 30° 60° 120° 45° 30° 60° 120° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The C.G. of a thin hollow cone of height ‘h’, above its base lies on the axis, at a height of h/4 3h/4 2h/3 h/3 h/4 3h/4 2h/3 h/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 7.85 cm 8.75 cm 7.5 cm 5.0 cm 7.85 cm 8.75 cm 7.5 cm 5.0 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In SI units, the units of force and energy are respectively Newton and watt kg wt and joule Newton and joule Dyne and erg Newton and watt kg wt and joule Newton and joule Dyne and erg ANSWER DOWNLOAD EXAMIANS APP
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