ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

Try The 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

A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after

Question # 2

A 5 kg mass is falling freely, the force acting on, it will be

Question # 3

If the objects of different masses move with the same velocity, then it is more difficult to stop the

Question # 4

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

Question # 5

If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s2)

Question # 6

The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90° with the force of the smaller magnitude, then their magnitudes are

Question # 7

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 8

The product of force and time is called change in:

Question # 9

In the above figures, tell which set is graphs shows that a body is moving uniform velocity:

Question # 10

For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increases to

Question # 11

If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:

Question # 12

Ethanol (alcohol) is a type of:

Question # 13

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Question # 14

According to the law of conservation of linear momentum, the total linear momentum of an isolated system

Question # 15

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:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When body moves with increasing acceleration, its velocity time graph is a
A. straight line
B. horizontal straight line
C. vertical straight line
D. curve
2 The direction of the linear momentum is the direction of
A. speed
B. velocity
C. weight
D. none of them
3 A rocket carries its own fuel in the form of
A. liquid only
B. liquid or solid
C. liquid and solid
D. liquid or solid and oxygen
4 When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts
A. In the backward direction on the front wheel and in the forward direction on the rear wheel
B. In the forwards directions on the front wheel and in the backward direction on the rear wheel
C. In the forward direction on both the wheels
D. In the backward direction on both the wheels
5 For a fixed force, larger is the mass of a body the
A. greater is its acceleration
B. smaller is its acceleration
C. smaller is its weight
D. zero is its acceleration
6 The horizontal component of a projectile moving with initial velocity of 500 ms-1at an angle 60° to x-axis is
A. 500 ms-1
B. 1000 ms-1
C. 250 ms-1
D. Zero
7 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
8 Swimming becomes possible because of______law of motion.
A. First
B. Second
C. Third
D. None of these
9 A non-inertial frame of reference is that frame of reference in which
A. a = 0
B. a > 0 or a < 0
C. v = 0
D. none of them
10 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C

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