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

For maximum linear distance of travel, a projectile must be fired at an angle of

Question # 2

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

Question # 3

By which velocity a ball be projected vertically so that the distance covered by it in 5th seconds is twice the distance it covers in its 6th second ( g=10m/s2)

Question # 4

Change in momentum is one second called.

Question # 5

Swimming is based on the principle of

Question # 6

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 # 7

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

Question # 8

The three equation of motions are useful only for

Question # 9

Blomass includes:

Question # 10

Acceleration produced in a body by the force varies

Question # 11

When we consider the average velocity of a body, then the body is moving in

Question # 12

The quantity F x t is called as

Question # 13

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

Question # 14

The direction of velocity is along the direction of

Question # 15

A typical rocket ejects the burnt gases at speeds over

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 The direction of the linear momentum is the direction of
A. speed
B. velocity
C. weight
D. none of them
3 The area under line velocity-time graph is numerically equal to the
A. speed of the body
B. acceleration of the body
C. distance covered by the body
D. none of them
4 A body of mass 5 kg is acted upon by a total change n momentum will be:
A. 10 NS
B. 100 NS
C. 140 NS
D. 200 NS
5 Ethanol (alcohol) as a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
6 When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.
A. Becomes half
B. Becomes zero
C. Ramains same
D. Becomes double
7 A car moves for half of its time at 80 km/h and rest half of time at 40 km/h, The total distance covered is 60 km. What is the average speed of the car?
A. 60 km/hr
B. 80 km/hr
C. 120 km/hr
D. 180 km/hr
8 If a ball comes back to its starting point after bouncing off the wall several times, then its
A. total displacement is zero
B. average velocity is zero
C. none of them
D. both of them
9 The expression F x t is called impulse if the time 't' is
A. zero
B. very large
C. very small
D. infinite
10 Work done along a closed path in a gravitational field is:
A. Maximum
B. Minimum
C. Zero
D. Unity

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