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

If the acceleration of a body is negative, then slope of the velocity-time graph will be:

Question # 2

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Question # 3

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 # 4

Range of a projectile is R, when the angle of projection is 30° . Then, the value of the other angle of projection for the same range, is

Question # 5

Inertia mass and gravitational mass are

Question # 6

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 7

Biomass includes:

Question # 8

A the top of the trajectory of a projectile, the directions of its velocity and acceleration are

Question # 9

Which quantity has the same units as impulse

Question # 10

If speed of electron is 5 x 105m/s. How long does it take one electron to transverse 1 m?

Question # 11

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

Question # 12

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

Question # 13

When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.

Question # 14

Which of the following is not a projectile

Question # 15

A particle of mass 0.5 g moving along x-axis is located of x1= 15 m at t1= 5s and x2= 33 m at t2= 13s its average velocity is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The three equation of motions are useful only for
A. linear motion with increasing acceleration
B. line motion with uniform acceleration
C. linear motion with zero acceleration
D. linear motion with varying acceleration
2 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
3 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)
A. 9.8 m/s
B. 19.6 m/s
C. 39.2 m/s
D. 98.0 m/s
4 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
5 Work done along a closed path in a gravitational force is:
A. maximum
B. Minimum
C. Zero
D. Unity
6 A certain force gives an acceleration of 2 m/sec2to a body mass 5 kg. The same force would give a 20 kg object an acceleration of:
A. 0.5 m/sec2
B. 5 m/sec2
C. 1.5 m/sec2
D. 9.8 m/sec2
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 If the acceleration of a body is not uniform, then velocity-time graph will be:
A. Curve
B. Straight line
C. Sphere
D. All of these
9 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
10 Acceleration in a body is always produced in the directin of:
A. Velocity
B. Weight
C. Force
D. Botha B and C

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