A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be____.

200 tonnes at the left support

200 tonnes at the right support

500 tonnes at the centre

200 tonnes at the centre

Correct Answer : 500 tonnes at the centre

Recently Updated in Applied Mechanics Questions

A geo-stationary satellite is one which orbits the earth with a velocity of rotation of____.

earth

sun

moon

None of the Above

Correct Answer : Option (A) : earth

If two equal forces of magnitude P act at an angle θ, their resultant, will be____.

P sin θ/2

P cos θ/2

2P sin θ/2

2P cos θ/2

Correct Answer : Option (D) : 2P cos θ/2

Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by___.

4.5 kg

5.5 kg

6.25 kg

8.75 kg

Correct Answer : Option (D) : 8.75 kg

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