The algebraic sum of the resolved parts of a number of forces in a given directi

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The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as
Options
A. principle of independence of forces
B. principle of resolution of forces
C. principle of transmissibility of forces
D. none of these

Correct Answer

principle of resolution of forces

Engineering Mechanics problems

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2. The mechanical advantage of a lifting machine is the ratio of
Options
A. distance moved by effort to the distance moved by load
B. load lifted to the effort applied
C. output to the input
D. all of the above

6. Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the ball with velocity v is made to struck the second ball. Both the balls after impact will move with a velocity
Options
A. v
B. v/2
C. v/4
D. v/8

8. When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as
Options
A. simple pendulum
B. compound pendulum
C. torsional pendulum
D. second's pendulum

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