Question # 1

If there is no change in state of motion, then the body is said be i:

Choose an answer

Rest

Motion

Equilibrium

Rest & motion

When center of gravity is at the highest position body will be in:

Choose an answer

Neutral equilibrium

Stable equilibrium

Unstable equilibrium

None of these

_____________ is related to earth attractive force.

Choose an answer

Centre of gravity

Acceleration

Velocity

Nil

At what angle sin𝜽 and cos𝜽 has same values:

Choose an answer

30^o

45^o

60^o

90^o

Torque is a ___________ quantity.

Choose an answer

Vector

Scalar

Base

All of these

The unit of torque is:

Choose an answer

Nm^-2

Ncm

Nm^-1

Nm

The number of perpendicular components of a force are

Choose an answer

1

2

3

4

ΣF=0 is __________ condition of equilibrium:

Choose an answer

1st

2nd

Unstable

Stable

Resultant vector can be found by:

Choose an answer

θ=tan^-1 Fy/ Fx

θ=tan[Fy/ Fx ]

θ=tan^-1[ Fy/ Fj ]

None of these

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

Choose an answer

Algebraic

Head to trail rule

Mathematical

Nil

The centre of gravity of uniform triangle is:

Choose an answer

Point of intersection of medians

On its vertex

On middle point of its axis

Point of intersection of diagonal

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

Choose an answer

173.2 N

100 N

600 N

None of these

If Fx and Fy are rectangular components of vector F, then its direction is determined by the relation

Choose an answer

θ = sin-1 Fv/Fx

θ = tan-1 Fx/Fy

θ = tan Fx/Fy

θ = tan Fy/Fx

More Classes

Other Links

Physics 9th Class English Medium Unit 4 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer