ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

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

Question # 2

Which one of the following is dimensionless:

Question # 3

The path described by a projectile is called its

Question # 4

When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.

Question # 5

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 # 6

The artillery shells travel along parabolic paths under the influence of

Question # 7

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 # 8

The velocity given to a body to go out of the influence of earth's gravity is known as:

Question # 9

The effect of applying a force on a moving body is to change

Question # 10

The time rate of change of displacement is called:

Question # 11

Force is a:

Question # 12

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

Question # 13

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

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 train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot files at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which quantity has the same dimension as that of impulse?
A. KE
B. Power
C. Momentum
D. Work
2 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°
3 The path (or trajectory) described by a projectile is
A. a parabola
B. a hyperbola
C. a circle
D. a straight line
4 Velocity of a body changes if
A. direction of the body changes
B. speed of the body changes
C. neither speed nor direction changes
D. either speed or direction changes
5 Unit of impulse in
A. Newton
B. Kg m
C. Kg m/s
D. Joule
6 A 5 kg mass is falling freely, the force acting on, it will be
A. 19.6 N
B. 9.8 N
C. 5 N
D. Zero
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 A lift is descending at a constant speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be
A. Zero
B. g
C. -g
D. V + g
9 The projectile attains maximum horizontal range when it is projected at an angle of
A. 30°
B. 45°
C. 60°
D. 75°
10 Suppose the water flows out from a pipe at 3kg s-1and its velocity changes from 5m s-1to zero on striking the wall, then the force exerted by water on wall will be
A. 5 N
B. 10 N
C. 15 N
D. 20 N

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