A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is

Applied Mechanics and Graphic Statics
A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is

1.25 m/sec²

0.5 m/sec²

1.00 m/sec²

0.75 m/sec²

1.25 m/sec²

0.5 m/sec²

1.00 m/sec²

0.75 m/sec²

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Applied Mechanics and Graphic Statics
‘ω’ rad/sec is the angular velocity of a crank whose radius is ‘r’. If it makes θ° with inner dead centre and obliquity of the connecting rod ‘l’ is ‘ϕ’, the velocity v of the piston, is given by the equation

ω² (l sin ϕ - r cos θ tan ϕ)

ω² (l cos ϕ + r sin ϕ tan θ)

ω² (l sin ϕ + r cos φ tan θ)

ω (l sin ϕ + r cos ϕ tan θ)

ω² (l sin ϕ - r cos θ tan ϕ)

ω² (l cos ϕ + r sin ϕ tan θ)

ω² (l sin ϕ + r cos φ tan θ)

ω (l sin ϕ + r cos ϕ tan θ)

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Applied Mechanics and Graphic Statics
A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is

W cosec θ

W cos θ

W sin θ

W sec θ

W cosec θ

W cos θ

W sin θ

W sec θ

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Applied Mechanics and Graphic Statics
In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

50 and 75

75 and 75

50 and 50

75 and 50

50 and 75

75 and 75

50 and 50

75 and 50

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Applied Mechanics and Graphic Statics
The ratio of unit of force in gravitational system to that in absolute system is (where ‘g’ is acceleration due to gravity)

g

None of these

1

1/g

g

None of these

1

1/g

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Applied Mechanics and Graphic Statics
The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known

Rolling friction

Limiting friction

Sliding friction

None of these

Rolling friction

Limiting friction

Sliding friction

None of these

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics ‘ω’ rad/sec is the angular velocity of a crank whose radius is ‘r’. If it makes θ° with inner dead centre and obliquity of the connecting rod ‘l’ is ‘ϕ’, the velocity v of the piston, is given by the equation

Applied Mechanics and Graphic Statics A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is

Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

Applied Mechanics and Graphic Statics The ratio of unit of force in gravitational system to that in absolute system is (where ‘g’ is acceleration due to gravity)

Applied Mechanics and Graphic Statics The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known

Applied Mechanics and Graphic Statics
‘ω’ rad/sec is the angular velocity of a crank whose radius is ‘r’. If it makes θ° with inner dead centre and obliquity of the connecting rod ‘l’ is ‘ϕ’, the velocity v of the piston, is given by the equation

Applied Mechanics and Graphic Statics
A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is

Applied Mechanics and Graphic Statics
In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

Applied Mechanics and Graphic Statics
The ratio of unit of force in gravitational system to that in absolute system is (where ‘g’ is acceleration due to gravity)

Applied Mechanics and Graphic Statics
The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known