- ANature of surfaces
- BArea of contact
- CShape of the surfaces
- DAll of the above

- APotential energy
- BKinetic energy
- CElectrical energy
- DChemical energy

- AStatic friction
- BDynamic friction
- CLimiting friction
- DCoefficient of friction

- AAlgebraic sum of the horizontal components of all the forces should be zero
- BAlgebraic sum of the vertical components of all the forces should be zero
- CAlgebraic sum of moments of all the forces about any point should be zero
- DAll of the above

- AIP = IG + Ah2
- BIP = IG - Ah2
- CIP = IG / Ah2
- DIP = Ah2 / IG

- AOutput to the input
- BWork done by the machine to the work done on the machine
- CMechanical advantage to the velocity ratio
- DAll of the above

- ADistance moved by effort to the distance moved by load
- BLoad lifted to the effort applied
- COutput to the input
- DAll of the above

- A0° and 180°
- B180° and 0°
- C90° and 180°
- D90° and 0°

- ALess than
- BGreater than
- CEqual to
- DNone of these

- Aπd3/16
- Bπd3/32
- Cπd4/32
- Dπd4/64

- Aa = α/ r
- Ba = α.r
- Ca = r / α
- DNone of these

- A(∑V)2 + (∑H)2
- B√[(∑V)2 + (∑H)2]
- C(∑V)2 +(∑H)2 +2(∑V)(∑H)
- D√[(∑V)2 +(∑H)2 +2(∑V)(∑H)]

- AEqual to
- BLess than
- CGreater than
- DNone of these

- A2P sinθ/2
- B2P cosθ/2
- C2P tanθ/2
- D2P cotθ/2

- Au² sin²α/2g
- Bu² cos²α/2g
- Cu² sin²α/g
- Du² cos²α/g

- AChange
- BDoes not change
- CChanges periodically
- DNone of these

- Aω.√(y² - r²)
- Bω.√(r² - y²)
- Cω².√(y² - r²)
- Dω².√(r² - y²)

- A2π. √(gh/kG² + h²)
- B2π. √(kG² + h²/gh)
- C1/2π. √(gh/kG² + h²)
- D1/2π. √(kG² + h²/gh)

- AStrain energy
- BKinetic energy
- CHeat energy
- DElectrical energy

- AEqual to
- BLess than
- CGreater than
- DNone of these

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