From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate
A. 0.5 cm
B. 1.0 cm
C. 1.5 cm
D. 2.5 cm
Answer: Option A
This Question Belongs to Civil Engineering >> Strength Of Materials
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The weight of a body is due to
A. Centripetal force of earth
B. Gravitational pull exerted by the earth
C. Force of attraction experienced by par-ticles
D. Gravitational force of attraction towards the centre of the earth
The product of either force of couple with the arm of the couple is called
A. Resultant couple
B. Moment of the forces
C. Resulting couple
D. Moment of the couple
A. Density of metal can’t be determined
B. Metal is twice as dense as water
C. Metal will float in water
D. Metal is twice as dense as unknown fluid
Coulomb friction is the friction between
A. Bodies having relative motion
B. Two dry surfaces
C. Two lubricated surfaces
D. Solids and liquids
Given the weight per unit length, w = 1.2 kg/m.
The length of the wire, L = 20 m.
The horizontal tension, T = 1500 kg
Let the dip in the middle of the span is S.
The horizontal force (TENSION) is given as
T=(wL^2)/8S
Substitute the given values, we get
S=[1.2(20)^2]/8(1500)
S = 0.04 m.