Question # 1

Inertial frame of references are those frame of references which are moving with

Choose an answer

increasing velocity

decreasing velocity

constant velocity

all of them

A rocket carries its own fuel in the form of

Choose an answer

liquid only

liquid or solid

liquid and solid

liquid or solid and oxygen

The velocity of a body at any instant of its motion is known as

Choose an answer

average velocity

instantaneous velocity

uniform velocity

none of them

During the upward motion of the projectile, the vertical component of velocity:

Choose an answer

Decreases

Increases

Remains constant

None of these

When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.

Choose an answer

Becomes half

Becomes zero

Ramains same

Becomes double

A body starting from rest covers a distance of 0.45 Km and acquires a velocity of 300 Kmh^-1. its acceleration will be

Choose an answer

7.71 m s^-2

0.5m s^-2

0.15m s^-2

0.092m s^-2

The magnitude of the force producing an acceleration of 10 m/sec²in a body of mass 500 grams is:

Choose an answer

3 N

4 N

5 N

6 N

The quantity F x t is called as

Choose an answer

momentum

velocity

acceleration

impulse

Newton's laws are adequate for speeds that are

Choose an answer

low compared with the speed of light

equal to the speed of light

greater than the speed of light

all of them

Acceleration of a body at any particular instant during its motion is known as

Choose an answer

average acceleration

uniform acceleration

instantaneous acceleration

all of them

A dirty carpet is to be cleaned by heating. This is in according with______law of motion.

Choose an answer

First

Second

Third

None of these

The motion in a plane is the motion in

Choose an answer

one dimension

two dimension

three dimension

four dimension

When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts

Choose an answer

In the backward direction on the front wheel and in the forward direction on the rear wheel

In the forwards directions on the front wheel and in the backward direction on the rear wheel

In the forward direction on both the wheels

In the backward direction on both the wheels

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

Choose an answer

1.46 m sec^-1

2.44 m sec^-1

3.42 m sec^-1

4.43 m sec^-1

According to the law of conservation of linear momentum, the total linear momentum of an isolated system

Choose an answer

increases

decreases with time

remains constant

none of them

The consumption source if energy is:

Choose an answer

Energy from blomass

Hydroelectric energy

Geothermal energy

None of these

Angular momentum

Choose an answer

Scalar

Axial vector

Polar vector

At 45° angle

Two bodies of masses 1 kg and 5 kg are dropped gently form the top of a tower. A a point 20 cm from the ground both the bodies will have the same

Choose an answer

Momentum

Kinetic energy

Velocity

Total energy

Velocity is a

Choose an answer

scalar quantity

vector quantity

constant quantity

none of them

During the upward motion of the projectile, the vertical component of velocity.

Choose an answer

Decreases

Increases

Remains constant

None of these

An airplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically above a point A on the ground, a bomb is released from it. The bomb strikes the ground, at point B. The distance AB is

Choose an answer

1200 m

0.33 km

3.33 km

33 km

Graphs which are used to illustrate the variation of velocity of an object with time are called

Choose an answer

distance time graphs

speed time graphs

velocity time graphs

acceleration time graphs

Acceleration produced in a body by a force varies

Choose an answer

inversely as the applied force

directly as the applied force

directly as the mass of the body

none of them

A train of 150 m length is going towards north direction at a speed of 10 ms^-1. A parrot files at a speed of 5 ms^-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to

Choose an answer

12 s

8 s

15 s

10 s

If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters then its retardation should be

Choose an answer

20 ms^-2

10 ms^-2

2 ms^-2

1 ms^-2

When a person jumps off the ground, the reaction force of the ground is

Choose an answer

greater than the weight of the person

smaller than the weight of the person

equal to the weight of the person

zero

The vertical and horizontal range will be equal id angle of projection is

Choose an answer

76°

45°

60°

120°

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

Choose an answer

100 m/sec

140 m/sec

1960 m/sec

196 m/sec

The velocity of a projectile is maximum

Choose an answer

at the point of projection

just before striking the ground

at none of them

at both of them

When brakes are applied to a fast moving car, the passengers will be thrown:

Choose an answer

Forward

Backward

Downward

None of these

When a horse pulls a cart, the force that makes the horse run forward is the force exerted by

Choose an answer

The horse on the ground

The horse on the cart

The ground on the horse

The ground on the cart

More Classes

Other Links

ECAT Pre General Science Physics Chapter 3 Motion and Force 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

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