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

A ball is dropped vertically down and it takes time t to reach the ground. At time t/2

Question # 2

When the surfaces are coated with a lubricant, then they

Question # 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

Question # 4

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

Question # 5

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

Question # 6

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

Question # 7

The collision in which KE is conserved but momentum is not conserved is called:

Question # 8

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?

Question # 9

For maximum linear distance of travel, a projectile must be fired at an angle of

Question # 10

Newton published laws of motion in his famous book "principia" in

Question # 11

The three equation of motions are useful only for

Question # 12

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 # 13

Which of the following is not a projectile

Question # 14

The velocity of a projectile is maximum

Question # 15

A non-inertial frame of reference is that frame of reference in which

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is
A. zero
B. negative
C. positive
D. non-existing
2 A typical rocket consumes about
A. 100 kg s-1of fuel
B. 1000 kg s-1of fuel
C. 10000 kg s-1of fuel
D. 100000 kg s-1of fuel
3 A change in position of a body from its initial position to its final position is known as
A. relative motion
B. displacement
C. distance
D. acceleration
4 A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is
A. 17 m/s
B. 33 m/s
C. 17.5 m/s
D. none
5 When brakes are applied to a fast moving car, the passenger will be thrown:
A. Forward
B. Backward
C. Downward
D. none of these
6 At the top of the trajectory of a projectile the acceleration is
A. The maximum
B. The minimum
C. Zero
D. g
7 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3.6 x 101KJ
D. 3.6 MJ
8 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
9 Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2
A. 0.064 m
B. 640 cm
C. 64 cm
D. 64 m
10 Acceleration produced in a body by a force varies
A. inversely as the applied force
B. directly as the applied force
C. directly as the mass of the body
D. none of them

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