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

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

Question # 2

Tick the conservation force:

Question # 3

When we consider the average velocity of a body, then the body is moving in

Question # 4

If a ball comes back to its starting point after bouncing off the wall several times, then its

Question # 5

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

Question # 6

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

Question # 7

The path followed by the projectile is known as:

Question # 8

A typical rocket consumes about

Question # 9

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 10

One KWh is equal to:

Question # 11

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

Question # 12

Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2

Question # 13

Essential characteristic of equilibrium is

Question # 14

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

Question # 15

When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
2 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C
3 A body whose momentum is constant must have constant
A. Acceleration
B. Velocity
C. Force
D. None of these
4 The range of projectile is 50 m whenθ is inclined with horizontal at 15°. What is the range whenθ becomes 45°?
A. 400 m
B. 300 m
C. 200 m
D. 100 m
5 If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of
A. 20 m
B. 400 m
C. 1440 m
D. 2880 m
6 The discuss used by athlete has a mass of 1 kg, its weight in newton is
A. 9.8 N
B. 80 N
C. 98 N
D. 100 N
7 Bodies which falls freely under gravity provides good example of motion under:
A. Uniform acceleration
B. Non-uniform acceleration
C. Uniform velocity
D. None of these
8 Rocket engines lift a rocket from the earth surface, because hot gas with high velocity
A. Push against the air
B. React against the rocket and push it up
C. Heat up the air which lifts the rocket
D. Push against the earth
9 Range of a projectile is R, when the angle of projection is 30° . Then, the value of the other angle of projection for the same range, is
A. 45°
B. 60°
C. 50°
D. 40°
10 A stone is dropped from rest from the top of a tower 19.6 m high. The distance traveled during the last second of its fall is (giving g=9.8 m/ss)
A. 9.8 m
B. 14.7 m
C. 4.9 m
D. 19.6 m

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