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 certain force gives an acceleration of 2 m/sec2to a body mass 5 kg. The same force would give a 20 kg object an acceleration of:

Question # 2

A typical rocket consumes about

Question # 3

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

Question # 4

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 # 5

A ball is dropped downwards After 1 second another ball is dropped downwards from the same point. What is the distance between them after 3 seconds

Question # 6

If the objects of different masses move with the same velocity, then it is more difficult to stop the

Question # 7

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 8

A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is

Question # 9

A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 10

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

Question # 11

A 5 kg mass is falling freely, the force acting on, it will be

Question # 12

If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters then its retardation should be

Question # 13

Slope of velocity-time graph represents:

Question # 14

Acceleration in a body is always produced in the direction of :

Question # 15

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?

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 In equation F=ma, then mass 'm' is
A. rest mass
B. variable mass
C. inertial mass
D. gravitational mass
4
Swimming becomes possible because of______law of motion:
A. First
B. Second
C. Third
D. None of these
5 A body of mass 5 kg is acted upon by a constant force of 20 n for 7 seconds. The total change in momentum will be:
A. 10 NS
B. 100 NS
C. 140 NS
D. 200 NS
6 When a bicycle is in motion, the frictional forces exerted by the ground are
A. In the forward direction on both the wheels
B. In the backward direction on both the wheels
C. In the forward direction on the front wheel and the backward direction on the rear wheel
D. In the backward direction on the front wheel and the forward direction on the rear wheel
7 Graphs which are used to illustrate the variation of velocity of an object with time are called
A. distance time graphs
B. speed time graphs
C. velocity time graphs
D. acceleration time graphs
8 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
A. 12 s
B. 8 s
C. 15 s
D. 10 s
9 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
10 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension

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