ECAT Pre Computer Science Chapter 3 MCQ Test With Answer

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

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

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ECAT Physics Chapter 3 Motion and Force

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Question # 1

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 # 2

Ethanol (alcohol) is a type of:

Question # 3

The linear momentum of the body is defined as

Question # 4

The second law gives the relationship between

Question # 5

Which of the following statements for an object in equilibrium is not true?

Question # 6

Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2

Question # 7

A rocket carries its own fuel in the form of

Question # 8

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

Question # 9

A typical rocket ejects the burnt gases at speeds over

Question # 10

If a ball comes back to its starting point after bouncing off the wall several times, then its

Question # 11

The time rate of change of displacement is called:

Question # 12

For a moving body, at any instant of time

Question # 13

The direction of the acceleration is the same as that of

Question # 14

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

Question # 15

The path followed by the projectile is known as:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
2 A typical rocket consumes about
A. 100 kg s-1of fuel
B. 1000 kg s-1of fuel
C. 10000 kg s-1of fuel
D. 100000 kg s-1of fuel
3 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
4 In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is
A. Mg
B. 1/2 Mg
C. Zero
D. 2 Mg
5 Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is
A. 22 m
B. 6 m
C. 33 m
D. 7.8 m
6 An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
A. 100 m/sec
B. 140 m/sec
C. 1960 m/sec
D. 196 m/sec
7 An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow
A. a circular path
B. a straight line
C. a hyperbola
D. a parabola
8 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?
A. 4.2 m
B. 8.4
C. 12.6
D. None of these
9 Ethanol (alcohol) as a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
10 A ball is dropped vertically down and it takes time t to reach the ground. At time t/2
A. The ball had covered exactly half the distance
B. The velocity of the ball was V/3 where V is the velocity when it reached the ground
C. The ball had covered less than half the distance
D. The ball had covered more than half the distance

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