Two non-collinear parallel equal forces acting in opposite direction__________________?

Byadmin January 25, 2019August 16, 2021

Two non-collinear parallel equal forces acting in opposite direction__________________?

A. balance each other
B. constitute a moment
C. constitute a couple
D. constitute a moment of couple
E. constitute a resultant couple

Engineering Mechanics

The coefficient of friction depends on________________?

The coefficient of friction depends on________________?

A. area of contact
B. shape of surfaces
C. strength of surfaces
D. nature of surface
E. all of the above

Read More The coefficient of friction depends on________________?
Engineering Mechanics

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal_________________?

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal_________________?

A. density of metal can’t be determined
B. metal is twice as dense as water
C. metal will float in water
D. metal is twice as dense as unknown fluid
E. none of the above

Read More A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal_________________?
Engineering Mechanics | Mechanical Engineering

Moment of inertia of a circular section about an axis perpendicular to the section is

Question: Moment of inertia of a circular section about an axis perpendicular to the section is
[A].

πd3/16
[B].
πd3/32
[C].
πd4/32
[D].
πd4/64

Answer: Option C

Explanation:

No answer description available for this question.

Read More Moment of inertia of a circular section about an axis perpendicular to the section is
Engineering Mechanics | Mechanical Engineering

A smooth cylinder lying on a __________ is in neutral equilibrium.

Question: A smooth cylinder lying on a __________ is in neutral equilibrium.
[A].

curved surface
[B].
convex surface
[C].
horizontal surface

Answer: Option C

Explanation:

No answer description available for this question.

Read More A smooth cylinder lying on a __________ is in neutral equilibrium.
Engineering Mechanics | Mechanical Engineering

A science teacher claimed that Newton’s third law of motion is involved while studying the motion of rockets. His statement is

Question: A science teacher claimed that Newton’s third law of motion is involved while studying the motion of rockets. His statement is
[A].

justified
[B].
not justified

Answer: Option A

Explanation:

No answer description available for this question.

Read More A science teacher claimed that Newton’s third law of motion is involved while studying the motion of rockets. His statement is
Engineering Mechanics | Mechanical Engineering

If a number of forces are acting at a point, their resultant is given by

Question: If a number of forces are acting at a point, their resultant is given by
[A].

(∑V)2 + (∑H)2
[B].

[C].
(∑V)2 +(∑H)2 +2(∑V)(∑H)
[D].

Answer: Option B

Explanation:

No answer description available for this question.

Read More If a number of forces are acting at a point, their resultant is given by

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