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

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

Question # 2

A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h. The average speed of the car is

Question # 3

A the top of the trajectory of a projectile, the directions of its velocity and acceleration are

Question # 4

The path followed by the projectile is known as:

Question # 5

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

Question # 6

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

Question # 7

The direction of velocity is along the direction of

Question # 8

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

Question # 9

If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have

Question # 10

Blomass includes:

Question # 11

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

Question # 12

Slope of velocity time graph represents:

Question # 13

A typical rocket ejects the burnt gases at speeds over

Question # 14

The shortest distance between two points directed from its initial point to final point is called:

Question # 15

If the acceleration of a body is not uniform, then velocity-time graph will be:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Change in momentum is one second called.
A. Impulse
B. Force
C. Energy
D. Work
2 The projectile attains maximum horizontal range when it is projected at an angle of
A. 30°
B. 45°
C. 60°
D. 75°
3 Linear momentum is a
A. fixed quantity
B. constant quantity
C. scalar quantity
D. vector quantity
4 The magnitude of the displacement is a line from initial position to final position which is
A. straight
B. curved
C. either be curved or straight
D. none of them
5 The velocity of a projectile is maximum
A. at the point of projection
B. just before striking the ground
C. at none of them
D. at both of them
6 The product of force and time is called change in:
A. Momentum
B. Impulse
C. Force
D. Both a and b
7 Unit of impulse in
A. Newton
B. Kg m
C. Kg m/s
D. Joule
8 What must be changing when a body is accelerating uniformly?
A. the force acting on a body
B. the velocity of the body
C. the mass of the body
D. the speed of the body
9 In the above figures, tell which set is graphs shows that a body is moving uniform velocity:
A. (i) and (ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (ii) and (iv)
10 The motion of a body in a straight line is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension

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