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

A train cover 90 km in half an hour. the time taken by it to travel 15 km will be:

Question # 2

Change in momentum is one second is called:

Question # 3

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

Question # 4

According to the law of conservation of linear momentum, the total linear momentum of an isolated system

Question # 5

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 # 6

Slope of velocity time graph represents:

Question # 7

The motion in a plane is the motion in

Question # 8

The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to

Question # 9

The vertical component of velocity of a projectile during its motion is minimum

Question # 10

An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then

Question # 11

Tick the conservation force:

Question # 12

Dimensions of velocity are

Question # 13

If the acceleration of a body is not uniform, then velocity-time graph will be:

Question # 14

A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:

Question # 15

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?

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1
Swimming becomes possible because of______law of motion:
A. First
B. Second
C. Third
D. None of these
2 A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is
A. 17 m/s
B. 33 m/s
C. 17.5 m/s
D. none
3 The magnitude of the displacement is a line from initial position to final position which is
A. straight
B. curved
C. either be curved or straight
D. none of them
4 A 5 kg mass is falling freely, the force acting on, it will be
A. 19.6 N
B. 9.8 N
C. 5 N
D. Zero
5 A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards?
A. 0.1 m/s
B. 10 m/s
C. 1 m/s
D. 0.01 m/s
6 Swimming is based on the principle of
A. Newton's 1st law
B. Newton's 2nd law
C. Newton's 3rd law
D. All
7 One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:
A. 2 Kg
B. 3 Kg
C. 4 Kg
D. 8 Kg
8 Which quantity has the same units as impulse
A. force
B. work
C. linear momentum
D. acceleration
9 An object thrown upward with an initial velocity at certain angle with the horizontal and moving freely under the action of gravity is called
A. a rocket
B. an aeroplane
C. a projectile
D. a ballon
10 Inertia mass and gravitational mass are
A. opposite
B. identical
C. identical when there is no friction
D. all of them

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