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 area under line velocity-time graph is numerically equal to the

Question # 2

A body of mass 5 kg is acted upon by a constant force of 20 n for 7 seconds. The total change in momentum will be:

Question # 3

Biomass includes:

Question # 4

A dirty carpet is to be cleaned by heating. This is in according with______law of motion.

Question # 5

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

Question # 6

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

Question # 7

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

Question # 8

Slope of velocity time graph represents:

Question # 9

A car moves for half of its time at 80 km/h and rest half of time at 40 km/h, The total distance covered is 60 km. What is the average speed of the car?

Question # 10

Two projectiles are fired from the same point with the same speed at angles of projection 60° and 30° respectively. Which one of the following is true?

Question # 11

The time rate of change of displacement is called:

Question # 12

If the instantaneous velocity of a body does not change. the body is said to be moving with

Question # 13

In velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is

Question # 14

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

Question # 15

Root out the conventional source of energy:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
2 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
3 An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
A. 100 m/sec
B. 140 m/sec
C. 1960 m/sec
D. 196 m/sec
4 Newton's first law is also called:
A. Law of torque
B. Law of force
C. Law of inertia
D. None of these
5 The artillery shells travel along parabolic paths under the influence of
A. magnetic field
B. electric field
C. electromagnetic field
D. gravitational field
6 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
7 A certain force gives an acceleration of 2 m/sec2to a body mass 5 kg. The same force would give a 20 kg object an acceleration of:
A. 0.5 m/sec2
B. 5 m/sec2
C. 1.5 m/sec2
D. 9.8 m/sec2
8 Acceleration produced in a body by the 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
9 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°
10 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C

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