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

Slope of velocity time graph represents:

Question # 2

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

Question # 3

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

Question # 4

If rope of lift breaks suddenly. The tension exerted by the surface of lift is (a=Acceleration of lift)

Question # 5

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

Question # 6

The magnitude of the displacement is a line from initial position to final position which is

Question # 7

A train cover 90 km in half an hour. the time taken by it to travel 15 km will be:

Question # 8

When a body is moving on a surface, the force of friction is called

Question # 9

When the total displacement is divided by total time taken, we get:

Question # 10

If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:

Question # 11

Bodies failing freely under gravity provide good example of motion under

Question # 12

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Question # 13

If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s2)

Question # 14

A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:

Question # 15

According to the law of conservation of linear momentum, the total linear momentum of an isolated system

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A body of mass 1.0 kg is falling with an acceleration of 10 m/s2. Its apparent weight will be (g=10 m/s2)
A. 1.0 kg wt
B. 2.0 kg wt
C. 0.5 kg wt
D. Zero
2 The shortest distance between two points directed from its initial point to final point is called:
A. Velocity
B. Displacement
C. Speed
D. Distance
3 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
4 When the total displacement is divided by total time taken, we get:
A. Velocity
B. Average speed
C. Average velocity
D. None of these
5 When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.
A. Becomes half
B. Becomes zero
C. Ramains same
D. Becomes double
6 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
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 The entity which measures the quantity of motion in a body is called
A. force
B. energy
C. momentum
D. power
9 Acceleration of a body is positive, if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
10 Distance covered by a freely failing body n the first second of its motion will be:
A. 4.9 m
B. 9.8 m
C. 19.6 m
D. 29.4 m

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