ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

In the expression F x t, the force F is

Question # 2

The motion in a plane is the motion in

Question # 3

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

Question # 4

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

Question # 5

Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?

Question # 6

Root out of the conventional source of energy:

Question # 7

Bodies failing freely under gravity provide good example of motion under

Question # 8

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

Question # 9

If speed of electron is 5 x 105m/s. How long does it take one electron to transverse 1 m?

Question # 10

In above figures, tell which set of graphs shows that a body is moving with uniform velocity:

Question # 11

If the velocity time graph is a straight line parallel to time-axis, then it means that:

Question # 12

Inertia mass and gravitational mass are

Question # 13

A typical rocket consumes about

Question # 14

Ethanol (alcohol) as a type of:

Question # 15

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
2 If the acceleration of a body is not uniform, then velocity-time graph will be:
A. Curve
B. Straight line
C. Sphere
D. All of these
3 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
4 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
A. Unequal
B. Exactly equal
C. Roughly equal
D. Zero
5 Angular momentum
A. Scalar
B. Axial vector
C. Polar vector
D. At 45° angle
6 A lift is moving up with acceleration equal to 1/5 of that due to gravity. The apparent weight of a 60 kg man standing in lift is
A. 60 kg wt
B. 72 kg wt
C. 48 kg wt
D. Zero
7 A ball is dropped from a height of 4.2 meters. To what height it will rise if there is no loss of KE after rebounding?
A. 4.2 m
B. 8.4
C. 12.6
D. None of these
8 The product of force and time is called change in:
A. Momentum
B. Impulse
C. Force
D. Both a and b
9 A body of weight 1 N has a kinetic energy of 1 joule when its speed is:
A. 1.46 m sec-1
B. 2.44 m sec-1
C. 3.42 m sec-1
D. 4.43 m sec-1
10 An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow
A. a circular path
B. a straight line
C. a hyperbola
D. a parabola

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