Curioustab

Home » Mechanical Engineering » Engineering Mechanics

A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

reversible
non-reversible
ideal

Correct Answer: reversible

← Previous Question Next Question→

More Questions from Engineering Mechanics

Non-coplaner concurrent forces are those forces which
The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ .
The force which acts along the radius of a circle and directed towards the centre of the circle is known as centripetal force.
A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is
The centre of gravity of a trapezium with parallel sides a and b lies at a distance of y from the base b, as shown in the below figure. The value of y is
Which of the following is a scalar quantity?
The periodic time of a particle with simple harmonic motion is __________ proportional to the angular velocity.
The unit of mass moment of inertia in S.I. units is kg-m2.
If a number of forces acting at a point be represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are not in equilibrium.
The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion