Applied Mechanics and Graphic Statics

If y is force and x is velocity, then dimensions of —=r are dx2__________________?

Byadmin January 18, 2019June 4, 2021

If y is force and x is velocity, then dimensions of —=r are dx2__________________?

A. M’^T’
B. M’L-‘T0(Correct)
C. M’L-‘T1
D. M2L’T3

Applied Mechanics and Graphic Statics

The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is_________________?

The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is_________________?

A. 64 J
B. 400 J
C. 464 J
D. 89 J

Read More The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is_________________?
Applied Mechanics and Graphic Statics

A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?

A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipg ?

1) 1.0 in from the wall
2) 1.732 m from the wall
3) 1.0 m above the floor
4) 1.732 m above the floor
The correct answer is?
A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4)

Read More A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?
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 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

Read More 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

The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then_________________?

The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then_________________?

A. P = R
B. Q = R
C. P = Q
D. None of the above is correct

Read More The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then_________________?
Applied Mechanics and Graphic Statics

When a body slides down an inclined surface, the acceleration of the body is given by__________________?

When a body slides down an inclined surface, the acceleration of the body is given by__________________?

A. g
B. gsinG
C. g cos 6
D. g tan 6
where ‘g’ is acceleration due to gravity and 9 is the angle of inclination of surface with the horizontal

Read More When a body slides down an inclined surface, the acceleration of the body is given by__________________?
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____________________?

If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is____________________?

A. 30°
B. 45°
C. 60°
D. 120° (Correct)

Read More If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is____________________?

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