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

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

Question # 2

The effect of applying a force on a moving body is to change

Question # 3

The decrease in velocity per unit time is called

Question # 4

Graphs which are used to illustrate the variation of velocity of an object with time are called

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

The time rate of change of displacement is called:

Question # 7

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 # 8

Two bodies of masses 1 kg and 5 kg are dropped gently form the top of a tower. A a point 20 cm from the ground both the bodies will have the same

Question # 9

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 # 10

During the projectile motion, the horizontal component of velocity

Question # 11

During the upward motion of the projectile, the vertical component of velocity.

Question # 12

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)

Question # 13

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

Question # 14

Velocity is a

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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)
A. 1.0 kg wt
B. 2.0 kg wt
C. 0.5 kg wt
D. Zero
2 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
3 Slope of velocity-time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work
4 Acceleration of a body is positive, if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
5 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
6 The dimension of linear inertia is:
A. MLT2
B. ML0T-2
C. ML0T0
D. MLT-1
7 An inertial frame of reference is that frame of reference in which
A. a = 0
B. a > 0
C. a < 0
D. all of them
8 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?
A. 60 km/hr
B. 80 km/hr
C. 120 km/hr
D. 180 km/hr
9 The projectile attains maximum horizontal range when it is projected at an angle of
A. 30°
B. 45°
C. 60°
D. 75°
10 What must be changing when a body is accelerating uniformly?
A. the force acting on a body
B. the velocity of the body
C. the mass of the body
D. the speed of the body

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