If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?

Byadmin January 18, 2019June 4, 2021

If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?

A. be in equilibrium
B. always reduce to a resultant force(Correct)
C. always reduce to a couple
D. both (A) and (C)

Applied Mechanics and Graphic Statics

Time period and length of a seconds pendulum respectively are_________________?

Time period and length of a seconds pendulum respectively are_________________?

A. 1 sec and 99.4 cm
B. 1 sec and 92.7 cm
C. 2 sec and 99.4 cm
D. 2 sec and 92.7 cm

Read More Time period and length of a seconds pendulum respectively are_________________?
Applied Mechanics and Graphic Statics

A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is_____________________?

A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is_____________________?

A. less than (1/3) tan 0
B. less than (2/3) tan 0
C. less than (1/3) sin 6
D. less than (2/3) sin 6

Read More A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is_____________________?
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__________________?
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___________________?

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

Read More 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

A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if________________?

A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if________________?

A. floor is smooth and wall is rough
B. floor is rough and wall is rough
C. both floor and wall are rough
D. both floor and wall are smooth

Read More A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if________________?
Applied Mechanics and Graphic Statics

The following is in unstable equilibrium__________________?

The following is in unstable equilibrium__________________?

A. a uniform solid cone resting on a generator on a smooth horizontal plane
B. a uniform solid cone resting on its base on a horizontal plane
C. a solid cube resting on one edge (Correct)
D. a satellite encircling the earth

Read More The following is in unstable equilibrium__________________?

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