A machine having an efficiency less than 50%, is known as September 13, 2025 by Admin reversible machine non-reversible machine neither reversible nor non-reversible machine ideal machine ✅ The correct answer is option B.
The centre of oscillation and centre of suspension for a compound pendulum are interchangeable. September 13, 2025 by Admin TRUE FALSE ✅ The correct answer is option A.
If three forces acting at a point be represented in magnitude and direction by the three sides of a triangle, taken in order, the forces shall be in equilibrium. September 13, 2025 by Admin TRUE FALSE ✅ The correct answer is option A.
If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys September 13, 2025 by Admin first second third ✅ The correct answer is option B.
The law of the machine is(where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.) September 13, 2025 by Admin P = mW – C P = m/W + C P = mW + C P = C – mW ✅ The correct answer is option C.
One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by(where δ = Deflection of the spring.) September 13, 2025 by Admin ✅ The correct answer is option B.
The velocity of a body on reaching the ground from a height h, is September 13, 2025 by Admin ✅ The correct answer is option C.
The radius of gyration is the distance where the whole mass (or area) of a body is assumed to be concentrated. September 13, 2025 by Admin Correct Incorrect ✅ The correct answer is option A.
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. September 8, 2025 by Admin Agree Disagree ✅ The correct answer is option B.
A framed structure, as shown in the below figure, is a September 8, 2025 by Admin perfect frame deficient frame redundant frame none of the above ✅ The correct answer is option A.