ECAT Pre General Science Physics Chapter 3 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 3 Motion and Force

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 3 Motion and Force

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ECAT Pre General Science Physics Chapter 3 Motion and Force

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Question # 1

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

Question # 2

A particle of mass 0.5 g moving along x-axis is located of x1= 15 m at t1= 5s and x2= 33 m at t2= 13s its average velocity is

Question # 3

A lift is moving up with acceleration equal to 1/5 of that due to gravity. The apparent weight of a 60 kg man standing in lift is

Question # 4

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Question # 5

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

Question # 6

The distance covered by a body in unit time is called.

Question # 7

The short distance between two points direction from its initial point to final point is called:

Question # 8

An inertial frame of reference is that frame of reference in which

Question # 9

Ethanol (alcohol) is a type of:

Question # 10

The projectile attains maximum horizontal range when it is projected at an angle of

Question # 11

The projectile motion is composed of

Question # 12

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

Question # 13

For maximum linear distance of travel, a projectile must be fired at an angle of

Question # 14

The magnitude of the displacement is a line from initial position to final position which is

Question # 15

Work done along a closed path in a gravitational force is:

Question # 16

When body moves with increasing acceleration, its velocity time graph is a

Question # 17

The SI units of momentum is

Question # 18

Tick the conservative force:

Question # 19

The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:

Question # 20

Change in momentum is one second is called:

Question # 21

A body starting from rest covers a distance of 0.45 Km and acquires a velocity of 300 Kmh-1. its acceleration will be

Question # 22

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 23

The mass of the object is a quantities measure of its

Question # 24

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 # 25

A 120 m long train is moving in a direction with speed 20 m/s. A train B moving with 30 m/s in the opposite direction and 130 m long crosses the first train in a time

Question # 26

The path (or trajectory) described by a projectile is

Question # 27

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

Question # 28

A projectile on its path gets divided into two pieces at its highest point. Which is true?

Question # 29

Force is a:

Question # 30

A body of mass 1.0 kg is falling with an acceleration of 10 m/s2. Its apparent weight will be (g=10 m/s2)

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 If the objects of different masses move with the same velocity, then it is more difficult to stop the
A. lighter of the two
B. massive of the two
C. any one of them
D. both of them
2 When a shell explodes in mid-air, its fragments fly off in
A. only one direction
B. in two direction
C. different directions
D. a particular direction
3 Newton published laws of motion in his famous book "principia" in
A. 1867
B. 1667
C. 1676
D. 1687
4 Angular momentum
A. Scalar
B. Axial vector
C. Polar vector
D. At 45° angle
5 A person is sitting in a traveling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is
A. Moving forward and gaining speed
B. Moving forward and losing speed
C. Moving forward with uniform speed
D. Moving backward with uniform speed
6 A body moving with uniform velocity has
A. positive acceleration
B. negative acceleration
C. infinite acceleration
D. zero acceleration
7 Two projectiles are fired from the same point with the same speed at angles of projection 60° and 30° respectively. Which one of the following is true?
A. Their range will be same
B. Their maximum height will be same
C. Their landing velocity will be same
D. Their time of flight will be same
8 If the velocity time graph is a straight line parallel to time-axis, then it means that:
A. The body is moving with uniform velocity
B. The body is moving with uniform acceleration
C. The body is at rest
D. None of above
9 When a shall explodes a mid-air, the total momentum of its fragments is
A. less than the momentum of shell
B. equal to the momentum of shell
C. greater than the momentum of shell
D. none of them
10 When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.
A. Becomes half
B. Becomes zero
C. Ramains same
D. Becomes double

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