A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.)

Engineering Mechanics
A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.)

P = W tan (α + φ)

P = W tanα

P = W (cosα + μsinα)

P = W (sinα + μcosα)

P = W tan (α + φ)

P = W tanα

P = W (cosα + μsinα)

P = W (sinα + μcosα)

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Engineering Mechanics
The process of finding out the resultant force is called __________ of forces.

Decomposition

Composition

None of these

Resolution

Decomposition

Composition

None of these

Resolution

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Engineering Mechanics
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

30°

90°

120°

60°

30°

90°

120°

60°

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Engineering Mechanics
The forces, which meet at one point, but their lines of action do not lie in a plane, are called

Coplanar non-concurrent forces

Non-coplanar non-concurrent forces

Non-coplanar concurrent forces

Intersecting forces

Coplanar non-concurrent forces

Non-coplanar non-concurrent forces

Non-coplanar concurrent forces

Intersecting forces

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Engineering Mechanics
The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by

T.ω/60 (in watts)

T.ω/4500 (in kilowatts)

T.ω/75 (in kilowatts)

T.ω (in watts)

T.ω/60 (in watts)

T.ω/4500 (in kilowatts)

T.ω/75 (in kilowatts)

T.ω (in watts)

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Engineering Mechanics
If n = number of members and y = number of joints, then for a perfect frame, n = ?

43865

43892

43832

43864

43865

43892

43832

43864

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Engineering Mechanics

Engineering Mechanics A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.)

Engineering Mechanics The process of finding out the resultant force is called __________ of forces.

Engineering Mechanics If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

Engineering Mechanics The forces, which meet at one point, but their lines of action do not lie in a plane, are called

Engineering Mechanics The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by

Engineering Mechanics If n = number of members and y = number of joints, then for a perfect frame, n = ?

Engineering Mechanics
A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.)

Engineering Mechanics
The process of finding out the resultant force is called __________ of forces.

Engineering Mechanics
If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

Engineering Mechanics
The forces, which meet at one point, but their lines of action do not lie in a plane, are called

Engineering Mechanics
The power developed by a body acted upon by a torque 'T' Newton meter (N - m) and revolving at ω radian/s is given by

Engineering Mechanics
If n = number of members and y = number of joints, then for a perfect frame, n = ?