Projectile Motion-MCQ-Basic

Physics is an important subject in preparation for various Competitive exams.To keep a track of your preparation we have designed a small quiz of 10 Basic Level Questions on Projectile Motion. You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1. At the top of the trajectory of a projectile, the directions of its velocity and acceleration are

•  Perpendicular to each other
•  Parallel to each other
•  Inclined to each other at an angle of 45o
•  Antiparallel to each other

Perpendicular to each other

Q2. A man projects a coin upwards from the gate of a uniformly moving train. The path of coin for the man will be

•  Parabolic
•  Inclined straight line
•  Vertical straight line
•  Horizontal straight line

Vertical straight line

Q3. A stone is projected with an initial velocity at an angle to the horizontal. A small piece separates from the stone before the stone reaches its maximum height. Then this piece will

•  Fall to the ground vertically
•  Fly side by side with the parent stone along a parabolic path
•  Fly horizontally initially and will trace a different parabolic path
•  Lag behind the parent stone increasing the distance from it

Fly side by side with the parent stone along a parabolic path

Q4. In a projectile motion, the velocity

•  Is always perpendicular to the acceleration
•  Is never perpendicular to the acceleration
•  Is perpendicular to the acceleration for one instant only
•  Is perpendicular to the acceleration for two instants

Is perpendicular to the acceleration for one instant only

Q5. A cricket ball is thrown with a velocity of 15 m/s at an angle of 30o with the horizontal. The time of flight of the ball will be (g = 10 m/s2)

•  1.5 s
•  2.5 s
•  3.5 s
•  4.5 s

1.5 s

Q6. If t1 be the time taken by a body to clear the top of a building and t2 be the time spent in air, then t2 : t1 will be

•  1 : 2
•  2 : 1
•  1 : 1
•  1 : 4

2 : 1

Q7. A bomb is fired from a cannon with a velocity of 1000 m/s making an angle of 30o with the horizontal. What is the time taken by the bomb to reach the highest point

•  11 sec
•  23 sec
•  38 sec
•  51 sec

51 sec

Q8. Two bullets are fired with horizontal velocities of 50 m/s and 100 m/s from two guns at a height of 19.6 m. Which bullet will strike first

•  First
•  Second
•  Simultaneously
•  None of these

Simultaneously

Q9. The work done to project a body with a certain velocity is W. What extra work is required to be done to double its velocity

•  W
•  2W
•  3W
•  4W

3W

Q10. A cricket ball is hit at 30o with the horizontal with kinetic energy K. The kinetic energy at the highest point is

•  Zero
•  K/4
•  K/2
•  3K/4

3K/4

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Projectile Motion-MCQ-Basic