Which type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element?

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The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as

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When the nature of contact between the element of a pair is such that it can turn or revolve about a fixed axis, the pair is known as a rolling pair.

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asked Sep 25, 2022 in Machine Kinematics by Leo (38.0k points)

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The lengths of the links of a 4-bar linkage with revolute pairs are p,q,r, and s units. given that p<q<r<s. Which of these links should be the fixed one, for obtaining a “double crank” mechanism ?

asked Sep 25, 2022 in Machine Kinematics by Leo (38.0k points)

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When the nature of contact between the element of a pair is such that one element can turn abut the other by screw threads, the pair is known as a

asked Sep 24, 2022 in Machine Kinematics by Leo (38.0k points)

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When the connection between the elements forming a pair is such that the constrained motion is not completed by itself, but by some other means, the motion is said to be a completely constrained motion.

asked Sep 24, 2022 in Machine Kinematics by Leo (38.0k points)

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A weston differential pulley block consists of a lower block and upper block. The upper block has two cogged grooves, one of which has a radius of 150 mm and the other a radius of 125 mm. If the efficiency of the machine is 50% calculate the effort required to raise a load of 1.5 kN.

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A small connecting rod of mass 1.5 kg is suspended in a horizontal plane by two wires 1.25 m long. The wires are attached to the rod at points 120 mm on either side of the centre of gravity. If the rod makes 20 oscillations in 40 seconds, find the radius of gyration of the rod about a vertical axis through the centre of gravity.

asked Sep 24, 2022 in Machine Kinematics by Leo (38.0k points)

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A small connecting rod of mass 1.5 kg is suspended in a horizontal plane by two wires 1.25 m long. The wires are attached to the rod at points 120 mm on either side of the centre of gravity. If the rod makes 20 oscillations in 40 seconds, find the mass moment of inertia of the rod about a vertical axis through the centre of gravity.

asked Sep 24, 2022 in Machine Kinematics by Leo (38.0k points)

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The two elements of a pair are said to form a ___________ when they permit relative motion between them.

asked Sep 24, 2022 in Machine Kinematics by Leo (38.0k points)

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