Curioustab

Home » Mechanical Engineering » Engineering Mechanics

The velocity ratio for the first system of pulleys is(where n is the number of pulleys.)

n
n2
2n
2n - 1

Correct Answer: 2n

← Previous Question Next Question→

More Questions from Engineering Mechanics

Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to
A machine which is capable of doing work in the reversed direction, after the effort is removed, is called a non-reversible machine.
A body of mass m moving with a constant velocity v strikes another body of same mass m moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
Vectors method for the resultant force is also called polygon law of forces.
If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys
Moment of inertia of a hollow rectangular section as shown in the below figure about Y-Y axis, is not the same as that about X-X axis.
The centre of gravity of a triangle lies at a point where its medians intersect each other.
One joule means that
When a train is rounding a curve, the side thrust on the wheel flanges is prevented by raising the outer edge of the rail.
The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion