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Engineering-mechanics Questions Set 2:

Quiz Mode

On a principal plane, the normal stress and shear stress are?

minimum, zero

zero, minimum

minimum or maximum, minimum or maximum

minimum or maximum, zero

Solution:

If the resultant of all the forces acting on a body is zero, what is the condition called?

Stable equilibrium

Balanced equilibrium

Equilibrium

Fixed equilibrium

Solution:

Which of the following factors affect frictional force?

Roughness of the surfaces

Surface area in contact

Both roughness of surfaces and normal force

None of the above

Solution:

If a material has non-uniform density throughout the body, then the position of the centroid and center of mass are ________

identical

not identical

independent upon the density

unpredictable

Solution:

Which of the following is true for a body in circular motion with constant speed?

Gravity will only do work on the body

None of the above

The sum of all the forces acting on the body will be zero

The body is accelerating

Solution:

What is the formula to calculate the time of flight for projectile motion, when the point of projection and point of landing are on the same horizontal plane?

2ug sin α

(2u sin α)/(g cosθ)

(2u sin α) / g

(u^2 sin α) / 2g

Solution:

In linear simple harmonic motion of a particle at the mean position:

Velocity is minimum and acceleration is maximum

Velocity is maximum and acceleration is minimum

Both velocity and acceleration are minimum

Both velocity and acceleration are maximum

Solution:

Consider the following:

F = Summation of forces in any direction

M = Summation of the moments due to forces

Which of the following is true with respect to non-concurrent, non-parallel forces in equilibrium?

We can't say

Both F and M need to be calculated

Only F needs to be calculated

Only M needs to be calculated

Solution:

What is the coefficient of restitution?

The ratio of impulse during the restoration period and deformation period

The ratio of impulse during plastic deformation and elastic deformation

The ratio of impulse during the deformation period and restoration period

The ratio of impulse during elastic deformation and plastic deformation

Solution:

A free-body diagram is drawn to calculate the unknown and sometimes the required force acting on a component. Which of the following is not a valid reason for using a free-body diagram?

To reduce the calculation

It is compulsory for using Newton's laws of motion

To provide a visual representation of forces

To simplify the calculation for complicated bodies

Engineering-mechanics Questions Set 2:

On a principal plane, the normal stress and shear stress are?

Solution:

If the resultant of all the forces acting on a body is zero, what is the condition called?

Solution:

Which of the following factors affect frictional force?

Solution:

If a material has non-uniform density throughout the body, then the position of the centroid and center of mass are ________

Solution:

Which of the following is true for a body in circular motion with constant speed?

Solution:

What is the formula to calculate the time of flight for projectile motion, when the point of projection and point of landing are on the same horizontal plane?

Solution:

In linear simple harmonic motion of a particle at the mean position:

Solution:

Consider the following:

F = Summation of forces in any direction

M = Summation of the moments due to forces

Which of the following is true with respect to non-concurrent, non-parallel forces in equilibrium?

Solution:

What is the coefficient of restitution?

Solution:

A free-body diagram is drawn to calculate the unknown and sometimes the required force acting on a component. Which of the following is not a valid reason for using a free-body diagram?

Solution:

Related Question Sets:

Related Topics:

Engineering-mechanics Questions Set 2:

On a principal plane, the normal stress and shear stress are?

Solution:

If the resultant of all the forces acting on a body is zero, what is the condition called?

Solution:

Which of the following factors affect frictional force?

Solution:

If a material has non-uniform density throughout the body, then the position of the centroid and center of mass are ________

Solution:

Which of the following is true for a body in circular motion with constant speed?

Solution:

What is the formula to calculate the time of flight for projectile motion, when the point of projection and point of landing are on the same horizontal plane?

Solution:

In linear simple harmonic motion of a particle at the mean position:

Solution:

Consider the following: F = Summation of forces in any direction M = Summation of the moments due to forces Which of the following is true with respect to non-concurrent, non-parallel forces in equilibrium?

Solution:

What is the coefficient of restitution?

Solution:

A free-body diagram is drawn to calculate the unknown and sometimes the required force acting on a component. Which of the following is not a valid reason for using a free-body diagram?

Solution:

Related Question Sets:

Related Topics:

Consider the following:

F = Summation of forces in any direction

M = Summation of the moments due to forces

Which of the following is true with respect to non-concurrent, non-parallel forces in equilibrium?