ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

If the velocity time graph is a straight line parallel to time-axis, then it means that:

Question # 2

Root out of the conventional source of energy:

Question # 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

Question # 4

Ethanol (alcohol) is a type of:

Question # 5

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

Question # 6

The direction of the acceleration is the same as that of

Question # 7

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Question # 8

Rocket engines lift a rocket from the earth surface, because hot gas with high velocity

Question # 9

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

Question # 10

Bodies failing freely under gravity provide good example of motion under

Question # 11

In equation F=ma, then mass 'm' is

Question # 12

A the top of the trajectory of a projectile, the directions of its velocity and acceleration are

Question # 13

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 14

A mass of 5kg moves with an acceleration of 10m s-2force applied is

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The velocity given to a body to go out of the influence of earth's gravity is known as:
A. Terminal velocity
B. Orbital velocity
C. Escape velocity
D. None of these
2 The path described by a projectile is called its
A. orbit
B. trajectory
C. range
D. distance
3 When brakes are applied to a fast moving car, the passenger will be thrown:
A. Forward
B. Backward
C. Downward
D. none of these
4 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°
5 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C
6 Which one of the following is dimensionless.
A. Acceleration
B. Velocity
C. Density
D. Angle
7 Slope of velocity-time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work
8 Inertial frame of references are those frame of references which are moving with
A. increasing velocity
B. decreasing velocity
C. constant velocity
D. all of them
9 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
A. 5 N
B. 10 N
C. 15 N
D. 20 N
10 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

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