Engineering Mechanics
A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction.

Increase
Decrease
Not be effected
None of these

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Engineering Mechanics
The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

Maximum, if it acts at the center of gravity of the body
Minimum, if it acts at the center of gravity of the body
Different at different points on its line of action
Same at every point on its line of action

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