Question # 1

The vertical component of velocity of a projectile during its motion is minimum

Choose an answer

at the time of projection

at the highest point

just before hitting the plane of projection

all of them

A projectile on its path gets divided into two pieces at its highest point. Which is true?

Choose an answer

Momentum increases

Momentum decreases

Kinetic energy increases

Kinetic energy decreases

A body walks to his school at a distance of 6 km with a speed of 2.5 km/h and walks back with a constant speed of 5 km/h. His average speed for round trip expressed in km/h is

Choose an answer

24/13

10/3

3

4,8

The artillery shells travel along parabolic paths under the influence of

Choose an answer

magnetic field

electric field

electromagnetic field

gravitational field

A change in position of a body from its initial position to its final position is known as

Choose an answer

relative motion

displacement

distance

acceleration

The range of projectile is 50 m whenθ is inclined with horizontal at 15°. What is the range whenθ becomes 45°?

Choose an answer

400 m

300 m

200 m

100 m

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

The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to

Choose an answer

zero

maximum

minimum

infinity

When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is

Choose an answer

zero

negative

positive

non-existing

If speed of electron is 5 x 10⁵m/s. How long does it take one electron to transverse 1 m?

Choose an answer

1 x 10⁶

2 x 10⁶

2 x 10⁵

1 x 10⁵

When a bicycle is in motion, the frictional forces exerted by the ground are

Choose an answer

In the forward direction on both the wheels

In the backward direction on both the wheels

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

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

In velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is

Choose an answer

8

4

6

7

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

Choose an answer

Decreases

Increases

Remains constant

None of these

A ball is dropped from a height of 4.2 meters. To what height will take it rise if there is no loss of KE after rebounding?

Choose an answer

4.2 m

8.4 m

12.6 m

none of these

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

The direction of the linear momentum is the direction of

Choose an answer

speed

velocity

weight

none of them

More Classes

Other Links

ECAT 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