A single force and a couple acting in the same plane upon a rigid body_____________________?

Byadmin January 25, 2019August 16, 2021

A single force and a couple acting in the same plane upon a rigid body_____________________?

A. balance each other
B. cannot balance each other
C. produce moment of a couple
D. are equivalent
E. none of the above

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
Center Of Gravity And Centroid | Engineering Mechanics

Determine the approximate amount of paint needed to cover the surface of the water storage tank. Assume that a liter of paint covers 2.5 m2. Also, what is the total inside volume of the tank.

Question: Determine the approximate amount of paint needed to cover the surface of the water storage tank. Assume that a liter of paint covers 2.5 m2. Also, what is the total inside volume of the tank.
[A].

27.6 liters of paint, V = 52.6 m3
[B].
20.1 liters of paint, V = 50.3 m3
[C].
26.4 liters of paint, V = 56.5 m3
[D].
25.1 liters of paint, V = 55.0 m3

Answer: Option C

Explanation:

No answer description available for this question.

Read More Determine the approximate amount of paint needed to cover the surface of the water storage tank. Assume that a liter of paint covers 2.5 m2. Also, what is the total inside volume of the tank.
Engineering Mechanics | Equilibrium Of A Particle

Determine the magnitudes ofthe forces P, R, and F required for equillibrium of point O.

Question: Determine the magnitudes ofthe forces P, R, and F required for equillibrium of point O.
[A].

R = 238 N, F = 181.0 N, P = 395 N
[B].
R = 1340 N, F = 740 N, P = 538 N
[C].
R = 419 N, F = 181.0 N, P = 395 N
[D].
R = 409 N, F = 504 N, P = 1099 N

Answer: Option D

Explanation:

No answer description available for this question.

Read More Determine the magnitudes ofthe forces P, R, and F required for equillibrium of point O.
Engineering Mechanics | Mechanical Engineering

In ideal machines, mechanical advantage is __________ velocity ratio.

Question: In ideal machines, mechanical advantage is __________ velocity ratio.
[A].

equal to
[B].
less than
[C].
greater than

Answer: Option A

Explanation:

No answer description available for this question.

Read More In ideal machines, mechanical advantage is __________ velocity ratio.
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

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