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

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

Question # 2

If the instantaneous velocity of a body does not change. the body is said to be moving with

Question # 3

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 4

One KWh is equal to:

Question # 5

Slope of velocity-time graph represents:

Question # 6

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 # 7

Suppose the water flows out from a pipe at 3kg s-1and its velocity changes from 5m s-1to zero on striking the wall, then the force exerted by water on wall will be

Question # 8

Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is

Question # 9

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

Question # 10

The quantity F x t is called as

Question # 11

Inertia mass and gravitational mass are

Question # 12

Root out the conventional source of energy:

Question # 13

Unit of impulse in

Question # 14

A non-inertial frame of reference is that frame of reference in which

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 If the velocity time graph is a straight line parallel to time-axis, then it means that:
A. The body is moving with uniform velocity
B. The body is moving with uniform acceleration
C. The body is at rest
D. None of above
2 If d is the displacement of the body in time t, then its average velocity will be
A. Vav= d x t
B. Vav = t/d
C. Vav = d/t
D. Vav = d/t
3 The mass of a body measured by a physical balance in a lift at rest is found to be m, if the lift is going up with an acceleration a, its mass will be measured as
A. m (1 - a/g)
B. m (1 + a/g)
C. m
D. Zero
4 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
A. m
B. 2 m
C. 4 m
D. Infinity
5 When the total displacement is divided by total time taken, we get:
A. Velocity
B. Average speed
C. Average velocity
D. None of these
6 When a body is moving on a surface, the force of friction is called
A. Static friction
B. Dynamic friction
C. Limiting friction
D. Rolling friction
7 The quantity F x t is called as
A. momentum
B. velocity
C. acceleration
D. impulse
8 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
9 The artillery shells travel along parabolic paths under the influence of
A. magnetic field
B. electric field
C. electromagnetic field
D. gravitational field
10 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these

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