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 body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

Question # 2

Distance covered by a freely failing body n the first second of its motion will be:

Question # 3

If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters then its retardation should be

Question # 4

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 5

Ethanol (alcohol) as a type of:

Question # 6

Change in momentum is one second is called:

Question # 7

The path (or trajectory) described by a projectile is

Question # 8

When brakes are applied to a fast moving car, the passengers will be thrown:

Question # 9

The velocity of a body at any instant of its motion is known as

Question # 10

A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?

Question # 11

In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is

Question # 12

The velocity of a projectile is maximum

Question # 13

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 # 14

The horizontal component of a projectile moving with initial velocity of 500 ms-1at an angle 60° to x-axis is

Question # 15

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?

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When a person jumps off the ground, the reaction force of the ground is
A. greater than the weight of the person
B. smaller than the weight of the person
C. equal to the weight of the person
D. zero
2 The collision in which KE is conserved but momentum is not conserved is called:
A. Elastic collision
B. Inelastic collision
C. any these
D. None of these
3 The area under line velocity-time graph is numerically equal to the
A. speed of the body
B. acceleration of the body
C. distance covered by the body
D. none of them
4 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)
A. 9.8 m/s
B. 19.6 m/s
C. 39.2 m/s
D. 98.0 m/s
5 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
6 The short distance between two points direction from its initial point to final point is called:
A. Velocity
B. Displacement
C. Speed
D. Distance
7 Acceleration of a body is positive, if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
8 The velocity of a body at any instant of its motion is known as
A. average velocity
B. instantaneous velocity
C. uniform velocity
D. none of them
9 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
10 During the upward motion of the projectile, the vertical component of velocity:
A. Decreases
B. Increases
C. Remains constant
D. None of these

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