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 projectile motion is composed of

Question # 2

The motion of a body in a straight line is the motion in

Question # 3

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

Question # 4

Velocity of a body changes if

Question # 5

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 # 6

Newton's first law is also called:

Question # 7

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

Question # 8

Which one of the following is dimensionless:

Question # 9

A vehicle of mass 120 kg is moving with a uniform velocity of 108 km/h. The force required to stop the vehicle in 10s is

Question # 10

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 11

The slopes of the tangent at any point on the curve gives the value of the

Question # 12

The dimension of linear inertia is:

Question # 13

A ball is dropped from a certain height and another ball is projected horizontally from the same point. Which of the following statement is correct?

Question # 14

The second law gives the relationship between

Question # 15

Which quantity has the same units as impulse

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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 The path described by a projectile is called its
A. orbit
B. trajectory
C. range
D. distance
3 For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increases to
A. Four times
B. Thrice
C. Once
D. Twice
4 A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after
A. 10 s
B. 20 s
C. 5 s
D. 40 s
5 Velocity is a
A. scalar quantity
B. vector quantity
C. constant quantity
D. none of them
6 Acceleration in a body is always produced in the directin of:
A. Velocity
B. Weight
C. Force
D. Botha B and C
7 At the top of the trajectory of a projectile the acceleration is
A. The maximum
B. The minimum
C. Zero
D. g
8 The consumption of energy by a 1000 watt heter in half an hour is:
A. 5 Kwh
B. 0.5 Kwh
C. 2.5 Kwh
D. 3.2 Kwh
9 A body of mass 5 kg is acted upon by a total change n momentum will be:
A. 10 NS
B. 100 NS
C. 140 NS
D. 200 NS
10 One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:
A. 2 Kg
B. 3 Kg
C. 4 Kg
D. 8 Kg

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