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A ladder resting on the wall is grounded...

A ladder resting on the wall is grounded 3 meters away from the base of the wall. If the length of the ladder is 5 m, what is the highest at which it is resting on the wall?

A

2 m

B

5 m

C

3 m

D

4 m

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Knowledge Check

  • The foot of a ladder leaning against a wall of length 5 metres rests on a level ground 5 sqrt(3) metres from the base of the wall. The angle of inclination of the ladder with the ground is

    A
    `60^(@)`
    B
    ` 50^(@)`
    C
    `40^(@)`
    D
    `30^(@)`

  • The foot of a uniform ladder is on a rough horizontal ground and the top rests against a smooth vertical wall. The weight of the ladder is 400 units. A man weighing 800 units stands on the ladder one quarter of its length from the bottom. If the inclination of the ladder to the horizontal is 30^(@) , the reaction at the wall is

    A
    0
    B
    `1200sqrt(3)`
    C
    `800sqrt(3)`
    D
    `400sqrt(3)`

  • A ladder is placed along a wall such that its upper end is touching the top of the wall .The foot of the ladder is 10 ft away from the wall and the ladder is making an angle of 60^(@) with the ground . When a man starts climbing on it , it slips and now ladder makes an angle of 30^(@) with ground .How much did the ladder slip from the of the wall ?

    A
    12 ft
    B
    20 ft
    C
    7.32 ft
    D
    18 ft

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    A ladder rests against a frictionless vertical wall, with its upper end 6 m above the ground and the lower end 4 m away from the wall. The weight of the ladder is 500 N and its CG at 1//3^(rd) distance from the lower end. Wall's reaction will be (in newton)

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