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Applied Mechanics and Graphic Statics

If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are___________________?

Applied Mechanics and Graphic Statics /
If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are___________________?

A. 0 and 5 m/sec
B. 5 m/sec and 0
C. 5 V3 m/sec and 0
D. 5 and 5V3 m/sec

If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are___________________? Read More »

Applied Mechanics and Graphic Statics

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__________________?

Applied Mechanics and Graphic Statics /
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(Correct)
B. 1/3
C. 1/2
D. 1/5

Assume g = 10 m/sec2

 

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__________________? Read More »

Applied Mechanics and Graphic Statics

The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is__________________?

Applied Mechanics and Graphic Statics /
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(Correct)
D. 1960 m

 

The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is__________________? Read More »

Applied Mechanics and Graphic Statics

When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________________?

Applied Mechanics and Graphic Statics /
When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________________?

A. straight line and parabola
B. straight line and circle
C. circle and straight line
D. circle and parabola

When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________________? Read More »

Applied Mechanics and Graphic Statics

A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?

Applied Mechanics and Graphic Statics /
A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?

A. 1/2
B. 3/2
C. 2
D. 3

A flywheel of moment of inertia 20 kg-m” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________? Read More »

Applied Mechanics and Graphic Statics

A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?

Applied Mechanics and Graphic Statics /
A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?

A. n rpm
B. n/2 rpm
C. n/4 rpm
D. 2n rpm

A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________? Read More »

Applied Mechanics and Graphic Statics