Question # 1

Work is zero when "F" and "S" will be:

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Parallel

Perpendicular

Anti parallel

Tangent

The net torque acting on a rotating body with uniform speed is:

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0

1

2

5

Orbital velocity v_o =

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√gR

√RG

gR

gR²

The energy stored in a dam is:

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Electric energy

Potential energy

Kinetic energy

Thermal energy

If a force F makes an angle θ with the direction of motion of the force, then the formula for the work done will be:

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W = FS

W = FS cosθ

W = FS sinθ

W = FS tanθ

The energy stored in dam is:

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Potential energy

Kinetic energy

Chemical enegy

Nuclear energy

The smallest division taht can be taken by a meter rule is.

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1 cm

1 mm

1 dm

1 km

The force exerted perpendicularly on unit of area of an object is called:& nbsp

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strain

young's modulus

pressure

buoyant force

Unit of moment arm (L) is:

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Meter

Mole

Newton

Nm

Leslie's cube is a bod of

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Metal

None Metal

wood

Metalloids

Which of the following is unit of momentum?

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Nm

Kgms^-2

Ns

Ns^-1

Metals are good conductor of heat dut to the:

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Free electron

Big size of their molecule

Small size of their molecules

Rapid vibrations of their atoms

Consider a rigid body. As it rotates, its particles move in fixed

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Squares

Circles

Triangles

Rectnagles

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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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