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 the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s2)

Question # 2

A typical rocket consists of fuel

Question # 3

The range of projectile is 50 m whenθ is inclined with horizontal at 15°. What is the range whenθ becomes 45°?

Question # 4

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

Question # 5

The dimension of linear inertia is:

Question # 6

Linear momentum is a

Question # 7

Ethanol (alcohol) as a type of:

Question # 8

If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have

Question # 9

A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?

Question # 10

The displacement coincides with the path of the motion when a body moves is a

Question # 11

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

Question # 12

A typical rocket consumes about

Question # 13

An inertial frame of reference is that frame of reference in which

Question # 14

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

Question # 15

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A cold soft drink is kept on the balance. When the cap is opened, then the weight
A. Increases
B. Decreases
C. First increases, then decreases
D. Remains same
2 When a shell explodes in mid-air, its fragments fly off in
A. only one direction
B. in two direction
C. different directions
D. a particular direction
3 What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
A. 4 : 5
B. 7 : 9
C. 16 : 25
D. 1 : 1
4 The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90° with the force of the smaller magnitude, then their magnitudes are
A. 3, 15
B. 4, 14
C. 5, 13
D. 6, 12
5 Work done along a closed path in a gravitational force is:
A. maximum
B. Minimum
C. Zero
D. Unity
6 A railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is
A. 3,600 N
B. 7,200 N
C. 10,000 N
D. 100,000 N
7 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
8 The shortest distance between two points directed from its initial point to final point is called:
A. Velocity
B. Displacement
C. Speed
D. Distance
9 The direction of velocity is along the direction of
A. distance
B. displacement
C. acceleration
D. all of them
10 Root out the conventional source of energy:
A. Energy from blomass
B. hydroelectric energy
C. Geothermal energy
D. None of these

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