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 dimension of linear inertia is:

Question # 2

One KWh is equal to:

Question # 3

Ethanol (alcohol) as a type of:

Question # 4

When a force is applied on a body, several effects are possible Which of the following effect could not occur?

Question # 5

When brakes are applied to a fast moving car, the passengers will be thrown:

Question # 6

If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of

Question # 7

When a shall explodes a mid-air, the total momentum of its fragments is

Question # 8

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

Question # 9

Essential characteristic of equilibrium is

Question # 10

An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow

Question # 11

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 # 12

A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?

Question # 13

Slope of velocity-time graph represents:

Question # 14

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 Bodies failing freely under gravity provide good example of motion under
A. non-uniform acceleration
B. uniform acceleration
C. variable acceleration
D. increasing acceleration
4 A mass of 5kg moves with an acceleration of 10m s-2force applied is
A. 10N
B. 50N
C. 2N
D. 20N
5 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
6 Tick the conservation force:
A. Tension in a string
B. Air resistance string
C. Elastic spring force
D. Frictional force
7 Swimming becomes possible because of______law of motion.
A. First
B. Second
C. Third
D. None of these
8 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
9 The decrease in velocity per unit time is called:
A. Variable Acceleration
B. Average Acceleration
C. Retardation
D. None of these
10 A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?
A. 4 m/s
B. 2 m/s
C. 8 m/s
D. 1 m/s

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