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

The motion of a projectile is

Question # 2

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

Question # 3

A lift is descending at a constant speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

Question # 4

A typical rocket consists of fuel

Question # 5

The path described by a projectile is called its

Question # 6

Acceleration produced in a body by the force varies

Question # 7

The discuss used by athlete has a mass of 1 kg, its weight in newton is

Question # 8

The entity which measures the quantity of motion in a body is called

Question # 9

The dimension of linear inertia is:

Question # 10

Acceleration of a body is positive, if the velocity of the body is

Question # 11

If d is the displacement of the body in time t, then its average velocity will be

Question # 12

Force is a:

Question # 13

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

Question # 14

Root out of the conventional source of energy:

Question # 15

The mass of a body measured by a physical balance in a lift at rest is found to be m, if the lift is going up with an acceleration a, its mass will be measured as

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The displacement coincides with the path of the motion when a body moves is a
A. curved line
B. straight line
C. may be curved or straight
D. none of them
2 A 120 m long train is moving in a direction with speed 20 m/s. A train B moving with 30 m/s in the opposite direction and 130 m long crosses the first train in a time
A. 6 s
B. 36 s
C. 38 s
D. None of these
3 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
4 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
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
5 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
6 A typical rocket ejects the burnt gases at speeds over
A. 400 ms-1
B. 40000m s-1
C. 40000 ms-1
D. 60000 ms-1
7 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
8 During the projectile motion, the horizontal component of velocity
A. changes with time
B. remains constant
C. becomes zero
D. decreases with time
9 Swimming is based on the principle of
A. Newton's 1st law
B. Newton's 2nd law
C. Newton's 3rd law
D. All
10 If the velocity time graph is a straight line parallel to the time-axis, then it means:
A. The body is moving with uniform velocity
B. The body is moving with uniform acceleration
C. The body is at rest
D. None of these

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