Question # 1

A body is in a static equilibrium, only when it is

Choose an answer

Moving with uniform velocity

Moving with variable velocity

Moving with uniform acceleration

at rest

The corss product of two vectors is zero when they

Choose an answer

Are parallel to each other

Are perpendicular to each other

Are at an angle of 120 ^o

Both are equal

Which of the following quantities has a unit that can be expressed in terms of just two different SI Units.

Choose an answer

Area

Charge

Force

Current

The curve between the acceleration and velocity of a body in SHM is a

Choose an answer

Circle

Ellipse

Square

Parabola

A body attached to a spring is pulled to a distance of 20 cm If the value of spring constant is 48 N m-1, the amount of force applied will be.

Choose an answer

4.8 N

9.6 N

96 N

192 N

Two simple pendulums of the same length but having different masses

Choose an answer

Have different frequencies

Will have period proportional to their masses

Will have periods independent of their length

Have the same period

Angular acceleration is produced due to

Choose an answer

Centripetal force

Torque

Force

Mass

A body is said to be in translations equilibrium, only if the vector sum of all the forces acting on it becomes.

Choose an answer

Double

Zero

Maximum

Quadruples

A physical quantity which produces rotation in a body is called.

Choose an answer

Force

Torque

Momentum

accelerate

When a body is taken out of the earth's gravitational field, the P.E. with respect to earth is

Choose an answer

Zero

Minimum

Maximum

geothermal

Which of the following is conserved in SHM

Choose an answer

K.E.

P.E

Total energy

Electrical energy

The velocity of an object when projected from the earth in order to escape the earth's gravitational field is called the.

Choose an answer

Terminal velocity

Average velocity

Instant aeneous velocity

Escape velocity

Which quantity has dimensions different from the others.

Choose an answer

Energy per unit volume

Force per unit area

Angular momentum per unit mass

Pressure

In an Isolated system , total energy of the vibrating's mass and spring is

Choose an answer

Low

High

Constant

Variable

Rate of change of momentum is called.

Choose an answer

Torque

Force

Impulse

Inertia

The value of 'g' is maximum

Choose an answer

Above the earth's surface

Below the earth's surface

At the earth's surface

At the centre of earth

The ratio of inertial mass to gravitational mass is.

Choose an answer

1

0.5

2

3

For maximum range angle of projection of the projectile should be

Choose an answer

45 ^o

90^o

120 ^o

180 ^o

The moment of inertia depends upon

Choose an answer

Mass of the body and its radius

Mass of the body and its angular speed

Mass and angular momentum

Mass as well as the distribution w.r.t axis of rotation

Which of the following is not SI base unit.

Choose an answer

kilogram

Ampere

Coulomb

Mole

When a vector is multiplied by a negative number its direction.

Choose an answer

Remains unchanged

Changes by 180 ^o

Becomes horizontal

Vertical to each other

More Classes

Other Links

PPSC Physics Chapter 1 MECHANICS 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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer