A force acting on a body may_________________?

Byadmin January 24, 2019August 16, 2021

A force acting on a body may_________________?

A. introduce internal stresses
B. balance the other forces acting on it
C. retard its motion
D. change its motion
E. all of the above

Engineering Mechanics

Center of percussion is___________________?

Center of percussion is___________________?

A. the point of C.G.
B. the point of metacentre
C. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
D. point of suspension
E. the point in a body about which it can rotate horizontally and oscillate under the influence of gravity

Read More Center of percussion is___________________?
Engineering Mechanics | Mechanical Engineering

The angular velocity (in rad / s) of a body rotating at N revolutions per minute is

Question: The angular velocity (in rad / s) of a body rotating at N revolutions per minute is
[A].

πN/60
[B].
πN/180
[C].
2πN/60
[D].
2πN/180

Answer: Option C

Explanation:

No answer description available for this question.

Read More The angular velocity (in rad / s) of a body rotating at N revolutions per minute is
Engineering Mechanics | Force System Resultants

Determine the magnitude and direction of the moment of the force at A about point P.

Question: Determine the magnitude and direction of the moment of the force at A about point P.
[A].

Mp = 143.5 ft-lb
[B].
Mp = 1191 ft-lb
[C].
Mp = 1104 ft-lb
[D].
Mp = 1200 ft-lb

Answer: Option C

Explanation:

No answer description available for this question.

Read More Determine the magnitude and direction of the moment of the force at A about point P.
Engineering Mechanics | Mechanical Engineering

A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

Question: A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act
[A].

towards the wall at its upper and
[B].
away from the wall at its upper end
[C].
downward at its upper end
[D].
upward at its upper end

Answer: Option D

Explanation:

No answer description available for this question.

Read More A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act
Engineering Mechanics | Mechanical Engineering

If a pendulum is taken 1 km below the earth surface in a mine, it will __________ in time.

Question: If a pendulum is taken 1 km below the earth surface in a mine, it will __________ in time.
[A].

gain
[B].
loose

Answer: Option A

Explanation:

No answer description available for this question.

Read More If a pendulum is taken 1 km below the earth surface in a mine, it will __________ in time.
Engineering Mechanics | Mechanical Engineering

Moment of inertia is the

Question: Moment of inertia is the
[A].

second moment of force
[B].
second moment of area
[C].
second moment of mass
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More Moment of inertia is the

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