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 collision in which KE is conserved but momentum is not conserved is called:

Question # 2

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

Question # 3

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:

Question # 4

If the acceleration of a body is negative, then slope of the velocity-time graph will be:

Question # 5

The mass of the object is a quantities measure of its

Question # 6

Bodies failing freely under gravity provide good example of motion under

Question # 7

The range of projectile is 50 m whenθ is inclined with horizontal at 15°. What is the range whenθ becomes 45°?

Question # 8

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

Question # 9

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 # 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

During the projectile motion, the horizontal component of velocity

Question # 12

A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards?

Question # 13

Inertial frame of references are those frame of references which are moving with

Question # 14

The direction of the acceleration is the same as that of

Question # 15

A non-inertial frame of reference is that frame of reference in which

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Slope of velocity time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work
2 The short distance between two points direction from its initial point to final point is called:
A. Velocity
B. Displacement
C. Speed
D. Distance
3 The time of flight of a projectile motion equal to
A. half of the time to reach maximum height
B. twice the time to reach maximum height
C. one fourth of time to reach maximum height
D. time to reach maximum height
4 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
5 Essential characteristic of equilibrium is
A. Momentum equal to zero
B. Acceleration equal to zero
C. Kinetic energy equal to zero
D. Velocity equal to zero
6 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:
A. 0.5 m/sec2
B. 5 m/sec2
C. 1.5 m/sec2
D. 9.8 m/sec2
7 Which of the following four statements is false?
A. A body can have zero velocity and still be accelerated
B. A body can have a constant velocity and still have a varying speed
C. A body can have a constant speed and still have a varying velocity
D. The direction of the velocity of a body can change when its acceleration is constant
8 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
9 The path described by a projectile is called its
A. orbit
B. trajectory
C. range
D. distance
10 The product of force and time is called
A. acceleration
B. linear momentum
C. angular momentum
D. impulse

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