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

Suppose the water flows out from a pipe at 3kg s-1and its velocity changes from 5m s-1to zero on striking the wall, then the force exerted by water on wall will be

Question # 2

A body is thrown from a height h with speed u, it hits the ground with speed V

Question # 3

The projectile motion is composed of

Question # 4

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

Question # 5

A dirty carpet is to be cleaned by heating. This is in according with______law of motion.

Question # 6

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

Question # 7

If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be

Question # 8

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 # 9

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

Question # 10

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

Question # 11

When two protons are brought closer potential energy of both of them:

Question # 12

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Question # 13

In the expression F x t, the force F is

Question # 14

An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then

Question # 15

A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3.6 x 101KJ
D. 3.6 MJ
2 Swimming becomes possible because of______law of motion.
A. First
B. Second
C. Third
D. None of these
3 When a force is applied on a body, several effects are possible Which of the following effect could not occur?
A. the body rotates
B. the body speeds up
C. the mass of the body decreases
D. the body changes its direction
4 When brakes are applied to a fast moving car, the passengers will be thrown:
A. Forward
B. Backward
C. Downward
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 The velocity given to a body to go out of the influence of earth's gravity is known as:
A. Terminal velocity
B. Orbital velocity
C. Escape velocity
D. None of these
7 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
8 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
9 For maximum linear distance of travel, a projectile must be fired at an angle of
A. 0°
B. 45°
C. 90°
D. 60°
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?
A. 60 km/hr
B. 80 km/hr
C. 120 km/hr
D. 180 km/hr

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