8. If two forces.P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is
9. If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to
10. Two forces act an angle of 120?. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is
11. The resolved part of the resultant of two forces inclined at an angle 0 in a given direction is
12. The resultant of two forces acting at right angles is A/34 kg and acting at 60? is 70 kg. The forces are
14. The forces which meet at one point and have their lines of action in different planes are called
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