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

Ethanol (alcohol) as a type of:

Question # 2

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

Question # 3

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

Question # 4

For a fixed force, larger is the mass of a body the

Question # 5

Root out the conventional source of energy:

Question # 6

Newton published laws of motion in his famous book "principia" in

Question # 7

Acceleration produced in a body by the force varies

Question # 8

Root out of the conventional source of energy:

Question # 9

The artillery shells travel along parabolic paths under the influence of

Question # 10

Which quantity has the same dimension as that of impulse?

Question # 11

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

Question # 12

When a shall explodes a mid-air, the total momentum of its fragments is

Question # 13

The three equation of motions are useful only for

Question # 14

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

Question # 15

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be

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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 An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then
A. It still moves with the same velocity
B. It will be just floating at the same point in space
C. It will be fall down instantaneously
D. It will lose its velocity gradually
3
Swimming becomes possible because of______law of motion:
A. First
B. Second
C. Third
D. None of these
4 When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is
A. zero
B. negative
C. positive
D. non-existing
5 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
6 Slope of velocity time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work
7 The short distance between two points direction from its initial point to final point is called:
A. Velocity
B. Displacement
C. Speed
D. Distance
8 A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:
A. 0.5 m/sec2
B. 5 m/sec2
C. 1.5 m/sec2
D. 9.8 m/sec2
9 Flight of rocket in the space is an example of
A. Newton's first law
B. Newton's third law
C. Newton's second law
D. all of them
10 The velocity of a projectile is maximum
A. at the point of projection
B. just before striking the ground
C. at none of them
D. at both of them

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