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

Which of the following statements for an object in equilibrium is not true?

Question # 2

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

Question # 3

The motion in a plane is the motion in

Question # 4

When we consider the average velocity of a body, then the body is moving in

Question # 5

A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h. The average speed of the car is

Question # 6

A body walks to his school at a distance of 6 km with a speed of 2.5 km/h and walks back with a constant speed of 5 km/h. His average speed for round trip expressed in km/h is

Question # 7

Velocity of a body changes if

Question # 8

Essential characteristic of equilibrium is

Question # 9

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 # 10

A non-inertial frame of reference is that frame of reference in which

Question # 11

The second law gives the relationship between

Question # 12

The velocity of a projectile is maximum

Question # 13

Angular momentum

Question # 14

Earth is considered to be

Question # 15

Rate of change of momentum is called

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 The time rate of change of displacement is called:
A. Time
B. Acceleration
C. Speed
D. Velocity
3 Angular momentum
A. Scalar
B. Axial vector
C. Polar vector
D. At 45° angle
4 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
A. To fall vertically down
B. To fall at an angle going from west to east
C. To fall at an angle going from east to west
D. The information given is insufficient to decide the direction of rain
5 If the instantaneous velocity of a body does not change. the body is said to be moving with
A. average velocity
B. uniform velocity
C. instantaneous velocity
D. variable velocity
6 The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
7 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
8 The path followed by the projectile is known as:
A. Cycle
B. Hyperbola
C. Trajectory
D. Route
9 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
10 By which velocity a ball be projected vertically so that the distance covered by it in 5th seconds is twice the distance it covers in its 6th second ( g=10m/s2)
A. 58.8 m/s
B. 49 m/s
C. 65 m/s
D. 19.6 m/s

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