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

During the upward motion of the projectile, the vertical component of velocity.

Question # 2

The linear momentum of the body is defined as

Question # 3

Root out of the conventional source of energy:

Question # 4

The path (or trajectory) described by a projectile is

Question # 5

Ethanol (alcohol) as a type of:

Question # 6

The direction of velocity is along the direction of

Question # 7

Rate of change of momentum is called

Question # 8

The motion in a plane is the motion in

Question # 9

Distance traveled by a body falling from rest in the first, second and third second is in the ration of

Question # 10

A ball is dropped vertically down and it takes time t to reach the ground. At time t/2

Question # 11

The expression F x t is called impulse if the time 't' is

Question # 12

Graphs which are used to illustrate the variation of velocity of an object with time are called

Question # 13

A typical rocket consumes about

Question # 14

A man sitting in a bus travelling in a direction from west to east with a speed of 40 km/h observes that the rain drops are falling vertically down. To the another man standing on ground the rain will appear

Question # 15

If m is the mass of the gases ejected per second with velocity v relative to the rocket of mass M, then the acceleration of rocket is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When a person jumps off the ground, the reaction force of the ground is
A. greater than the weight of the person
B. smaller than the weight of the person
C. equal to the weight of the person
D. zero
2 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3,6 x 101KJ
D. 3,6 MJ
3 A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is
A. m
B. 2 m
C. 4 m
D. Infinity
4 A lift is descending at a constant speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be
A. Zero
B. g
C. -g
D. V + g
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 The path (or trajectory) described by a projectile is
A. a parabola
B. a hyperbola
C. a circle
D. a straight line
7 When the surfaces are coated with a lubricant, then they
A. Stick to each other
B. Slide upon each other
C. Roll upon each other
D. None of these
8 The mass of the object is a quantities measure of its
A. speed
B. velocity
C. acceleration
D. inertia
9 An airplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically above a point A on the ground, a bomb is released from it. The bomb strikes the ground, at point B. The distance AB is
A. 1200 m
B. 0.33 km
C. 3.33 km
D. 33 km
10 Ethanol (alcohol) is a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these

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