GATE Geomechanics and Ground Control: Engineering Mechanics – Previous Year Questions
17 GATE previous year questions on Engineering Mechanics (Geomechanics and Ground Control, Mining Engineering) with answers and explanations, from every paper.
- GATE 2021 MN Q35 – A vehicle travelling 12 m/s skids without rolling to rest over 15 m on a level road. Deceleration is constant and g=10 m/s². Find the tyre-road…
- GATE 2021 MN Q48 – A simply supported 2 m beam carries a triangular UDL increasing from zero at A to 5 kN/m at B. Find maximum bending moment in kN·m, to two decimals.
- GATE 2021 MN Q57 – Fly rock is launched at 45° from the third bench above the pit bottom. Each bench is 8 m wide, 6 m high, with 80° faces, as shown. With g=10 m/s²,…
- GATE 2021 MN Q65 – Three collinear steel-bar segments have lengths 250, 500, 250 mm and equal area 0.01 m². E=200 GPa. Axial forces at successive nodes are 400 kN right,…
- GATE 2022 MN Q20 – For the pin-jointed truss and loads shown, find axial force in member BD in kN.
- GATE 2022 MN Q48 – Two weightless cables of equal length and area support the ends of a light 1 m horizontal bar. Cable 1 has modulus 50 GPa and cable 2 has modulus 200…
- GATE 2023 MN Q31 – Punch a 10 mm diameter hole through a 5 mm thick rock plate as shown. The rock plate yield strength is 25 MPa. Find the punch force in kN, to one…
- GATE 2023 MN Q49 – A dozer pushes a 100 kg cable spool at constant speed up a 20° incline. The road contact A has kinetic friction coefficient 0.15; bucket contact B has…
- GATE 2023 MN Q52 – A UAV of mass 1.2 kg carries a 2 kg payload vertically through 100 m in 10 s at constant speed. Find lifting power in kW, to two decimals.
- GATE 2024 MN Q56 – A 600 N worker lifts 100 N as drawn. Half the worker’s weight acts at A. The lumbar joint L is a smooth hinge; erector-spinae force FE is parallel to…
- GATE 2024 MN Q57 – A 10 kg ball experiences the two 100 N forces shown:one due east and one 45° north of west. Find acceleration magnitude in m/s², to two decimals.
- GATE 2025 MN Q19 – Three frictionless pulleys and attached ropes are in static equilibrium as drawn. Find masses m₁,m₂ in kg respectively.
- GATE 2025 MN Q54 – The five-member truss is shown. Member CD may carry at most50 kN and BC at most30 kN. Find maximum downward load P at D in kN to two decimals.
- GATE 2026 MN Q21 – For the simply supported beam and loads shown, at which labelled location does the shear-force diagram cross zero?
- GATE 2026 MN Q32 – A shaft slows uniformly from50 to20 revolutions/s over15 s. How many rotations occur? Give an integer.
- GATE 2026 MN Q63 – The pin-jointed triangular truss PQR has span PR=5 m, angles60° at P and30° at R, and a10 kN vertical downward load at Q. Find the force magnitude in…
- GATE 2026 MN Q64 – Blocks P and Q weigh100 and200 kN. They are connected over a fixed frictionless pulley as drawn. Friction coefficient P–Q is0.4 and Q–floor0.3. Find…