D’ Alembert’s principle is used for______________________?

Byadmin January 25, 2019August 16, 2021

D’ Alembert’s principle is used for______________________?

A. reducing the problem of kinetics to equivalent statics problem
B. determining stresses in the truss
C. stability of floating bodies
D. designing safe structures
E. solving kinematic problems

Engineering Mechanics | Mechanical Engineering

A machine which is capable of doing work in the reversed direction, after the effort is removed, is called a non-reversible machine.

Question: A machine which is capable of doing work in the reversed direction, after the effort is removed, is called a non-reversible machine.
[A].

Yes
[B].
No

Answer: Option B

Explanation:

No answer description available for this question.

Read More A machine which is capable of doing work in the reversed direction, after the effort is removed, is called a non-reversible machine.
Engineering Mechanics

A number of forces acting at a point will be in equilibrium if_____________________?

A number of forces acting at a point will be in equilibrium if_____________________?

A. their total sum is zero
B. two resolved parts in two directions at right angles are equal
C. sum of resolved parts in any two per-pendicular directions are both zero
D. all of them are inclined equally
E. none of the above

Read More A number of forces acting at a point will be in equilibrium if_____________________?
Engineering Mechanics

The weight of a body is due to ___________________?

The weight of a body is due to ___________________?

A. centripetal force of earth
B. gravitational pull exerted by the earth
C. forces experienced by body in atmosphere
D. force of attraction experienced by particles
E. gravitational force of attraction towards the center of the earth

Read More The weight of a body is due to ___________________?
Engineering Mechanics

The necessary condition for forces to be in equilibrium is that these should be_________________?

The necessary condition for forces to be in equilibrium is that these should be_________________?

A. coplanar
B. meet at one point ;
C. both A. and B. above
D. all be equal
E. something else

Read More The necessary condition for forces to be in equilibrium is that these should be_________________?
Engineering Mechanics | Mechanical Engineering

In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

Question: In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will
[A].

increase
[B].
decrease
[C].
remain the same

Answer: Option B

Explanation:

No answer description available for this question.

Read More In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will
Engineering Mechanics | Mechanical Engineering

According to the law of moments, if a number of coplaner forces acting on a particle are in equilibrium, then

Question: According to the law of moments, if a number of coplaner forces acting on a particle are in equilibrium, then
[A].

their algebraic sum is zero
[B].
their lines of action are at equal distances
[C].
the algebraic sum of their moments about any point in their plane is zero
[D].
the algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point.

Answer: Option C

Explanation:

No answer description available for this question.

Read More According to the law of moments, if a number of coplaner forces acting on a particle are in equilibrium, then

Similar Posts