Engineering Mechanics

When trying to turn a key into a lock, following is applied _____________________?

Byadmin January 25, 2019August 16, 2021

When trying to turn a key into a lock, following is applied _____________________?

A. coplanar force
B. non-coplanar forces
C. lever
D. moment
E. couple

Engineering Mechanics

A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t – 4), the acceleration of the particle will be given by the equation __________________?

A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t – 4), the acceleration of the particle will be given by the equation __________________?

A. 3t2-lt
B. 3t2+2t
C. 6f-8
D. 6f-4
E. 6t2-8t

Read More A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t – 4), the acceleration of the particle will be given by the equation __________________?
Engineering Mechanics

If n = number of members andy = number of joints, then for a perfect frame, n =_________________?

If n = number of members andy = number of joints, then for a perfect frame, n =_________________?

A. j-2
B. 2j-l
C. 2/-3
D. 3/-2
E. 2/ -4

Read More If n = number of members andy = number of joints, then for a perfect frame, n =_________________?
Engineering Mechanics | Mechanical Engineering

A spherical body is symmetrical about its perpendicular axis. According to Routh’s rule, the moment of inertia of a body about an axis passing through its centre of gravity is(where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)

Question: A spherical body is symmetrical about its perpendicular axis. According to Routh’s rule, the moment of inertia of a body about an axis passing through its centre of gravity is(where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)
[A].

MS/3
[B].
MS/4
[C].
MS/5
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More A spherical body is symmetrical about its perpendicular axis. According to Routh’s rule, the moment of inertia of a body about an axis passing through its centre of gravity is(where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)
Engineering Mechanics | Mechanical Engineering

Coefficient of friction depends upon

Question: Coefficient of friction depends upon
[A].

area of contact only
[B].
nature of surface only
[C].
both (a) and (b)
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Coefficient of friction depends upon
Engineering Mechanics | Mechanical Engineering

The angle of the inclined plane at which a body just begins to slide down the plane, is called helix angle.

Question: The angle of the inclined plane at which a body just begins to slide down the plane, is called helix angle.
[A].

True
[B].
False

Answer: Option B

Explanation:

No answer description available for this question.

Read More The angle of the inclined plane at which a body just begins to slide down the plane, is called helix angle.
Engineering Mechanics | Mechanical Engineering

In order to determine the effects of a force, acting on a body, we must know

Question: In order to determine the effects of a force, acting on a body, we must know
[A].

magnitude of the force
[B].
line of action of the force
[C].
nature of the force i,e. whether the force is push or pull
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More In order to determine the effects of a force, acting on a body, we must know

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