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 direction of the linear momentum is the direction of

Question # 2

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

Question # 3

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

Question # 4

If two bodies of equal masses moving in the same direction collide elastically, then their velocities.

Question # 5

Body which falls freely under gravity provides good example of motion under:

Question # 6

In equation F=ma, then mass 'm' is

Question # 7

Inertial frame of references are those frame of references which are moving with

Question # 8

When a horse pulls a cart, the force that makes the horse run forward is the force exerted by

Question # 9

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

Question # 10

A car moves for half of its time at 80 km/h and rest half of time at 40 km/h, The total distance covered is 60 km. What is the average speed of the car?

Question # 11

The path followed by the projectile is known as:

Question # 12

Change in momentum is one second called.

Question # 13

When a person jumps off the ground, the reaction force of the ground is

Question # 14

Blomass includes:

Question # 15

The path (or trajectory) described by a projectile is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A dirty carpet is to be cleaned by heating. This is in according with______law of motion.
A. First
B. Second
C. Third
D. None of these
2 The collision in which KE is conserved but momentum is not conserved is called:
A. Elastic collision
B. Inelastic collision
C. any these
D. None of these
3 Which of the following is not a projectile
A. a bullet fired from a gun
B. a space ship
C. a football in air
D. an artillery shell
4 Work done along a closed path in a gravitational field is:
A. Maximum
B. Minimum
C. Zero
D. Unity
5 Laws of motion are not valid in a system which is
A. inertial
B. non-interial
C. at rest
D. moving with uniform velocity
6 The displacement coincides with the path of the motion when a body moves is a
A. curved line
B. straight line
C. may be curved or straight
D. none of them
7 The artillery shells travel along parabolic paths under the influence of
A. magnetic field
B. electric field
C. electromagnetic field
D. gravitational field
8 According to the law of conservation of linear momentum, the total linear momentum of an isolated system
A. increases
B. decreases with time
C. remains constant
D. none of them
9 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
10 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s

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