Question # 1

At what angle sin𝜽 and cos𝜽 has same values:

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30^o

45^o

60^o

90^o

Resultant vector can be found by:

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θ=tan^-1 Fy/ Fx

θ=tan[Fy/ Fx ]

θ=tan^-1[ Fy/ Fj ]

None of these

The condition of equilibrium are:

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2

3

4

5

Complete equation fy/fx =

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Sin𝜽

Cos 𝜽

Tan𝜽

Cos ec𝜽

Sin 45^ois

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0.707

0.5

1

0.2

The resultant vector of given vectors A and B is

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The method used for addition of non-parallel forces is.

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Algebraic

Head to trail rule

Mathematical

Nil

The formula of torque is:

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L= F x E

E = F x t

t = F x L

E = F x L

Centre of gravity of uniform square is:

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Intersection of diagonals

Point of intersection of medians

At centre

None of these

A force of 200 N is making an angle of 30°. What is horizontal component?

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173.2 N

100 N

600 N

None of these

Centre of gravity of sphere is at:

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Centre of sphere

Outside of sphere

Radius of sphere

None of these

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

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0

1

2

5

Parallel forces are those whose:

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^{Times of action are parallel}

Points of action are different

More than one forces

All of the given option

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9th Class Physics Chapter 4 Turning Effect of Forces English Medium KPK Boards Online Mcqs MCQs With Answers

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