Class 10 ICSE Physics – Chapter 1 | MCQ Test (Set -1)

11 mark(s)

The turning effect of a force about a fixed point is called:

AMomentumBImpulseCMoment of forceDPressure

21 mark(s)

The SI unit of moment of force is:

ANBkg m/sCN mDJ

31 mark(s)

The moment of a force is maximum when the angle between force and the lever arm is:

A0°B90°C30°D60°

41 mark(s)

A force of 20 N acts at a perpendicular distance of 0.5 m from a pivot. Its moment is:

A5 NmB20 NmC40 NmD10 Nm

51 mark(s)

For a body to be in rotational equilibrium:

AClockwise moment = Anticlockwise momentBClockwise moment < Anticlockwise momentCClockwise moment > Anticlockwise momentDNet force must always be maximum

61 mark(s)

A couple consists of:

ATwo equal forces acting in the same directionBTwo unequal parallel forcesCTwo equal and opposite parallel forces acting along different linesDTwo forces acting at the same point

71 mark(s)

The moment of a couple depends upon:

AMass of the bodyBForce × perpendicular distance between the forces D) Mass of the bodyCOnly the forceDOnly the distance between forces

81 mark(s)

A force acting through the pivot of a lever produces:

AMaximum momentBInfinite momentCMinimum momentDZero moment

91 mark(s)

In a class I lever, the position of the fulcrum is:

ABetween effort and loadBAt the effortCAt the loadDOutside both effort and load

101 mark(s)

A lever has an effort arm of 60 cm and a load arm of 20 cm. Its mechanical advantage is:

A2B4C0.33D3