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

The SI units of momentum is

Question # 2

A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:

Question # 3

The direction of the linear momentum is the direction of

Question # 4

The magnitude of the displacement is a line from initial position to final position which is

Question # 5

The path described by a projectile is called its

Question # 6

A rocket carries its own fuel in the form of

Question # 7


Swimming becomes possible because of______law of motion:

Question # 8

The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to

Question # 9

The three equation of motions are useful only for

Question # 10

The second law gives the relationship between

Question # 11

The motion in a plane is the motion in

Question # 12

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

Question # 13

A dirty carpet is to be cleaned by heating. This is in according with______law of motion.

Question # 14

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

Question # 15

The horizontal component of a projectile moving with initial velocity of 500 ms-1at an angle 60° to x-axis is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 During the upward motion of the projectile, the vertical component of velocity:
A. Decreases
B. Increases
C. Remains constant
D. None of these
2 Newton's laws are adequate for speeds that are
A. low compared with the speed of light
B. equal to the speed of light
C. greater than the speed of light
D. all of them
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)
A. 58.8 m/s
B. 49 m/s
C. 65 m/s
D. 19.6 m/s
4 A body of weight 1 N has a kinetic energy of 1 joule when its speed is:
A. 1.46 m sec-1
B. 2.44 m sec-1
C. 3.42 m sec-1
D. 4.43 m sec-1
5 A projectile on its path gets divided into two pieces at its highest point. Which is true?
A. Momentum increases
B. Momentum decreases
C. Kinetic energy increases
D. Kinetic energy decreases
6 Tick the conservation force:
A. Tension in a string
B. Air resistance string
C. Elastic spring force
D. Frictional force
7 A body is thrown from a height h with speed u, it hits the ground with speed V
A. The value of V is maximum if the body is thrown vertically downward
B. The value of V is maximum if the body is thrown vertically upwards
C. The value of V is minimum if the body is thrown horizontally
D. The value of V does not depend on the direction of which it is thrown
8 The path (or trajectory) described by a projectile is
A. a parabola
B. a hyperbola
C. a circle
D. a straight line
9 The mass of the object is a quantities measure of its
A. speed
B. velocity
C. acceleration
D. inertia
10 A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:
A. 10 m/sec2
B. 20 m/sec2
C. 30 m/sec2
D. Zero

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