Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and V6 V5 and V5 3 and 1 kg 2 and 5 2 and V6 V5 and V5 3 and 1 kg 2 and 5 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 10 kg, + ve sense 20 kg, + ve sense 10 kg, - ve sense 20 kg, - ve sense 10 kg, + ve sense 20 kg, + ve sense 10 kg, - ve sense 20 kg, - ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Maximum when it acts at the center of gravity of a body Different at different points in its line of action Minimum when it acts at the C.G. of the body The same at every point in its line of action Maximum when it acts at the center of gravity of a body Different at different points in its line of action Minimum when it acts at the C.G. of the body The same at every point in its line of action ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of work or energy in S.I. units is pascal newton joule watt pascal newton joule watt ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Effect of a force on a body depends upon magnitude position or line of action direction All of the listed here magnitude position or line of action direction All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
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