1. If three forces acting in different planes can be represented by a triangle, these will be in________________? A. non-equilibrium B. partial equilibrium C. full equilibrium D. unpredictable ✅ The correct answer is option A.
2. The unit of power in S.I. units is______________? A. newton meter B. watt C. joule D. kilogram meter/sec ✅ The correct answer is option B.
3. A pair of smith’s tongs is an example of the lever of__________________? A. zeioth order B. first order C. second order D. third order ✅ The correct answer is option C.
4. If two equal forces of magnitude P act at an angle 9°, their resultant will be________________? A. P/2 cos 9/2 B. IP sin 9/2 C. 2P tan 9/2 D. IP cos 9/2 ✅ The correct answer is option D.