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

Force is a:

Question # 2

One KWh is equal to:

Question # 3

If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be

Question # 4

Flight of rocket in the space is an example of

Question # 5

A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot files at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to

Question # 6

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?

Question # 7

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

Question # 8

The dimension of linear inertia is:

Question # 9

The time of flight of a projectile motion equal to

Question # 10

Which quantity has the same units as impulse

Question # 11

A monkey sits on the pan of spring scale kept in an elevator. The reading of the spring scale will be maximum when

Question # 12

Tick the conservative force:

Question # 13

An object thrown upward with an initial velocity at certain angle with the horizontal and moving freely under the action of gravity is called

Question # 14

The path followed by the projectile is known as:

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is
A. Mg
B. 1/2 Mg
C. Zero
D. 2 Mg
2 A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about
A. 80 m
B. 20 m
C. 160 m
D. 40 m
3 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
4 The projectile motion is composed of
A. horizontal motion only
B. vertical motion only
C. horizontal and vertical motion
D. none of them
5 Ethanol (alcohol) as a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
6 Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is
A. 22 m
B. 6 m
C. 33 m
D. 7.8 m
7 Slope of velocity time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work
8 Flight of rocket in the space is an example of
A. Newton's first law
B. Newton's third law
C. Newton's second law
D. all of them
9 At the top of the trajectory of a projectile the acceleration is
A. The maximum
B. The minimum
C. Zero
D. g
10 Newton published laws of motion in his famous book "principia" in
A. 1867
B. 1667
C. 1676
D. 1687

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