For a non-concurrent force system to be in equilibrium__________________?

Byadmin January 18, 2019June 4, 2021

For a non-concurrent force system to be in equilibrium__________________?

A. only the closure of force polygon is sufficient
B. only the closure of funicular polygon is sufficient
C. both force polygon and funicular polygon must close(Correct)
D. none of the above

Applied Mechanics and Graphic Statics

The force polygon representing a set of forces in equilibrium is a_____________________?

The force polygon representing a set of forces in equilibrium is a_____________________?

A. triangle
B. open polygon
C. closed polygon(Correct)
D. parallelogram

Read More The force polygon representing a set of forces in equilibrium is a_____________________?
Applied Mechanics and Graphic Statics

A ladder of weight ‘w’ rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight ‘w’ is to walk to the top of it safely, is tan’1 x, where x is___________________?

A ladder of weight ‘w’ rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight ‘w’ is to walk to the top of it safely, is tan’1 x, where x is___________________?

A. 1/4
B. 1/3
C. 3
D. 4

Read More A ladder of weight ‘w’ rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight ‘w’ is to walk to the top of it safely, is tan’1 x, where x is___________________?
Applied Mechanics and Graphic Statics

Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are____________________?

Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are____________________?

A. 2 m/sec and 2 m/sec
B. 3 m/sec and 2 m/sec
C. 3 m/sec and 3 m/sec
D. 4 m/sec and 6 m/sec

Read More Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are____________________?
Applied Mechanics and Graphic Statics

A block in the shape of a parallelopiped of sides lm x 2m x 3m lies on the surface. Which of the faces gives maximum stable block ?

A block in the shape of a parallelopiped of sides lm x 2m x 3m lies on the surface. Which of the faces gives maximum stable block ?

A. 1 m x 2 m
B. 2 m x 3 m
C. 1 m x 3m
D. equally stable on all faces

Read More A block in the shape of a parallelopiped of sides lm x 2m x 3m lies on the surface. Which of the faces gives maximum stable block ?
Applied Mechanics and Graphic Statics

The bending moment in an arch is proportional to___________________?

The bending moment in an arch is proportional to___________________?

A. vertical ordinate of funicular polygon
B. vertical ordinate of the arch
C. intercept between the arch axis and the funicular polygon(Correct)
D. none of these

Read More The bending moment in an arch is proportional to___________________?
Applied Mechanics and Graphic Statics

A rigid body is in a stable equilibrium if the application of any force__________________?

A rigid body is in a stable equilibrium if the application of any force__________________?

A. can raise the CG of the body but can not lower it (Correct)
B. tends to lower the CG of the body
C. neither raises nor lowers the CG of the body
D. none of above

Read More A rigid body is in a stable equilibrium if the application of any force__________________?

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