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 slopes of the tangent at any point on the curve gives the value of the

Question # 2

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 3

The product of force and time is called change in:

Question # 4

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:

Question # 5

The vertical and horizontal range will be equal id angle of projection is

Question # 6

A force of 50 dynes is acted on a body of mass 5 g which is at rest, for an interval of 3 seconds, then impulse is

Question # 7

Essential characteristic of equilibrium is

Question # 8

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

Question # 9

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

Question # 10

Tick the conservative force:

Question # 11

Root out of the conventional source of energy:

Question # 12

Rate of change of momentum is called

Question # 13

Inertia mass and gravitational mass are

Question # 14

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?

Question # 15

Acceleration produced in a body by a force varies

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The artillery shells travel along parabolic paths under the influence of
A. magnetic field
B. electric field
C. electromagnetic field
D. gravitational field
2 A body moving with uniform velocity has
A. positive acceleration
B. negative acceleration
C. infinite acceleration
D. zero acceleration
3 A railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is
A. 3,600 N
B. 7,200 N
C. 10,000 N
D. 100,000 N
4 Which one of the following is dimensionless.
A. Acceleration
B. Velocity
C. Density
D. Angle
5 Acceleration of a body is negative if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
6 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
7 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
8 The dimension of linear inertia is:
A. MLT2
B. ML0T-2
C. ML0T0
D. MLT-1
9 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
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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