# The algebraic sum of the resolved parts of a number

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17. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved pA.principle of independence of forcesB.principle of resolution of forcesC.principle of transmissibility of forcesD.none of theseAnswer:b
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18. The angle between two forces when the resultant is maximum and minimum respectively are
19. When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the f
20. During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocit
21. Work done is said to be zero, whenA.some force acts on a body, but displacement is zeroB.no force acts on a body but some displacement takes placeC.either (a) or (b)D.none of the aboveAnswer:c
Naks Tama!22. One watt is equal to
23. The point, through which the whole weight of the body acts, irrespective of its position, is known as
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24. Which of the following is a scalar quantity?
25. The rate of change of momentum is directly proportional to the impressed force, and takes place in the samA.Newton's first law of motionB.Newton's second law of motionC.Newton's third law of motionD.none of theseAnswer:b
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v is made to struck the second ball. Both the balls after impact will move with a velocityoy motion.p the inclined plane by vertical effort isthe same velocity of projection and angle of projection.
plane __________ the angle of friction.nd parallel
e angle of friction.the other body, is known aspart of their resultant in the same direction. This is known as
force of gravity, the body is known asty of the two bodies before impact.
me direction in which the force acts. This statement is known as