The time of flight (t) of a projectile on a horizontal plane is given by

More Questions from Engineering Mechanics

• Two equal and opposite parallel forces whose lines of action are different form a couple.
• When a particle moves along a circular path, its acceleration has two components, one is normal component and the other is tangential component of acceleration.
• The moment of inertia of a sphere of mass m and radius r, about an axis tangential to it, is
• The velocity ratio for the third system of pulleys is
• The velocity ratio for the first system of pulleys is(where n is the number of pulleys.)
• 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

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