## 1. The resultant of two equal forces P making an angle $$\theta ,$$ is given by

## 2. A framed structure is perfect, if the number of members are __________ (2j - 3), where j is the number of joints.

## 3. If a number of forces are acting at a point, their resultant is given by

## 4. The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of $$\alpha $$ rad/s^{2}, is

^{2}, is

## 5. Moment of inertia of a circular section about an axis perpendicular to the section is

## 6. According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through center of gravity (i.e. $${I_{\text{P}}}$$) is given by (where, A = Area of the section, $${I_{\text{G}}}$$ = Moment of inertia of the section about an axis passing through its C.G. and h = Distance between C.G. and the parallel axis.)

## 7. The friction experienced by a body, when at rest, is known as

## 8. The energy possessed by a body, for doing work by virtue of its position, is called

## 9. The coefficient of friction depends upon

## 10. For any system of coplanar forces, the condition of equilibrium is that the

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