ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Question # 1

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

Question # 2

The artillery shells travel along parabolic paths under the influence of

Question # 3

The projectile attains maximum horizontal range when it is projected at an angle of

Question # 4

The velocity given to a body to go out of the influence of earth's gravity is known as:

Question # 5

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

Question # 6

A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is

Question # 7

A 120 m long train is moving in a direction with speed 20 m/s. A train B moving with 30 m/s in the opposite direction and 130 m long crosses the first train in a time

Question # 8

The slopes of the tangent at any point on the curve gives the value of the

Question # 9

A snooker ball moving with velocity V collides head on with another snooker ball of same mass at rest. If the collision is elastic, the velocity of second snooker ball is

Question # 10

If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have

Question # 11

An inertial frame of reference is that frame of reference in which

Question # 12

When the total displacement is divided by total time taken, we get:

Question # 13

The entity which measures the quantity of motion in a body is called

Question # 14

A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

Question # 15

Which quantity has the same dimension as that of impulse?

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The product of force and time is called change in:
A. Momentum
B. Impulse
C. Force
D. Both a and b
2 The slopes of the tangent at any point on the curve gives the value of the
A. average velocity at that point
B. instantaneous velocity at that point
C. average acceleration at that point
D. instantaneous acceleration at that point
3 Acceleration in a body is always produced in the directin of:
A. Velocity
B. Weight
C. Force
D. Botha B and C
4 Earth is considered to be
A. a non-inertial frame
B. an inertial frame
C. an accelerated frame
D. none of the above
5 When a horse pulls a cart, the force that makes the horse run forward is the force exerted by
A. The horse on the ground
B. The horse on the cart
C. The ground on the horse
D. The ground on the cart
6 Tick the conservation force:
A. Tension in a string
B. Air resistance string
C. Elastic spring force
D. Frictional force
7 A railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is
A. 3,600 N
B. 7,200 N
C. 10,000 N
D. 100,000 N
8 In the expression F x t, the force F is
A. total force
B. instantaneous force
C. average force
D. all of them
9 Which one of the following is dimensionless:
A. Acceleration
B. Velocity
C. Density
D. Angle
10 For a moving body, at any instant of time
A. If the body is not moving the acceleration is necessarily zero
B. If the body is slowing, the retardation is negative
C. If the body is slowing, the distance is negative
D. If displacement, velocity and acceleration at that instant are known, we can find the displacement at any given time in future

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