A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is

Applied Mechanics and Graphic Statics
A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is

4

3

1/4

1/3

4

3

1/4

1/3

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Applied Mechanics and Graphic Statics
A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

Sphere with greater rotational energy at bottom than cylinder

Both reach the bottom simultaneously with equal rotational energy at bottom

Cylinder with greater rotational energy at bottom than sphere

Sphere with lesser rotational energy at bottom than cylinder

Sphere with greater rotational energy at bottom than cylinder

Both reach the bottom simultaneously with equal rotational energy at bottom

Cylinder with greater rotational energy at bottom than sphere

Sphere with lesser rotational energy at bottom than cylinder

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Applied Mechanics and Graphic Statics
If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be

2P sin θ/2

2P cos θ/2

P cos θ/2

P tan θ/2

2P sin θ/2

2P cos θ/2

P cos θ/2

P tan θ/2

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Applied Mechanics and Graphic Statics
The maximum displacement of a particle executing S.H.M. corresponds to

Maximum kinetic energy and maximum potential energy

Minimum kinetic energy and minimum potential energy

Zero potential energy and maximum kinetic energy

Zero kinetic energy and maximum potential energy

Maximum kinetic energy and maximum potential energy

Minimum kinetic energy and minimum potential energy

Zero potential energy and maximum kinetic energy

Zero kinetic energy and maximum potential energy

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Applied Mechanics and Graphic Statics
The intrinsic equation of catenary is

y = c cosh x/c

S = c tan ψ

y = c sinh ψ

y = c cosh ψ

y = c cosh x/c

S = c tan ψ

y = c sinh ψ

y = c cosh ψ

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Applied Mechanics and Graphic Statics
On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts

Upwards at its upper end

Away from the wall at its upper end

Towards the wall at its upper end

Downwards at its upper end

Upwards at its upper end

Away from the wall at its upper end

Towards the wall at its upper end

Downwards at its upper end

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be

Applied Mechanics and Graphic Statics The maximum displacement of a particle executing S.H.M. corresponds to

Applied Mechanics and Graphic Statics The intrinsic equation of catenary is

Applied Mechanics and Graphic Statics On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts

Applied Mechanics and Graphic Statics
A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

Applied Mechanics and Graphic Statics
If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be

Applied Mechanics and Graphic Statics
The maximum displacement of a particle executing S.H.M. corresponds to

Applied Mechanics and Graphic Statics
The intrinsic equation of catenary is

Applied Mechanics and Graphic Statics
On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts