# Important Physics MCQS For CSS PMS PPSC FPSC NTS SET 4 Read important Physics MCQS For Exam.These physics  General Knowledge Mcqs Contain  of World Geography, Atmosphere, Science & Literature, events Mcqs, Current Affairs Mcqs , Pakistan Affairs Mcqs and International Organizations. These general knowledge questions are very important for all type of exams conducted by Fpsc, Nts, Kppsc, Ppsc, Spsc, Bpsc, Ots, Uts, Pts, Cts, Ats, etea and other testing agencies of Pakistan

##### Note: The bold option is the right answer for the given MCQ’S:

1. At a stop light, a truck traveling at 15 m/s passes a car as it starts from rest. The truck travels
at constant velocity and the car accelerates at 3 m/s2. How much time does the car take to
catch up to the truck?
A. 5 s
B. 10 s
C. 15 s
D. 20 s
E. 25 s

2. A ball is in free fall. Its acceleration is:
A. downward during both ascent and descent
B. downward during ascent and upward during descent
C. upward during ascent and downward during descent
D. upward during both ascent and descent
E. downward at all times except at the very top, when it is zero

3. A ball is in free fall. Upward is taken to be the positive direction. The displacement of the ball
during a short time interval is:
A. positive during both ascent and descent
B. negative during both ascent and descent
C. negative during ascent and positive during descent
D. positive during ascent and negative during descent
E. none of the above

4. A baseball is thrown vertically into the air. The acceleration of the ball at its highest point is:
A. zero
B. g, down
C. g, up
D. 2g, down
E. 2g, up

5. Which one of the following statements is correct for an object released from rest?
A. The average velocity during the first second of time is 4.9 m/s
B. During each second the object falls 9.8 m
C. The acceleration changes by 9.8 m/s

D. The object falls 9.8 m during the first second of time
E. The acceleration of the object is proportional to its weight 6. A freely falling body has a constant acceleration of 9.8 m/s2. This means that:
A. the body falls 9.8 m during each second
B. the body falls 9.8 m during the first second only
C. the speed of the body increases by 9.8 m/s during each second
D. the acceleration of the body increases by 9.8 m/s2 during each second
E. the acceleration of the body decreases by 9.8 m/s2 during each second

7. An object is shot vertically upward. While it is rising:
A. its velocity and acceleration are both upward
B. its velocity is upward and its acceleration is downward
C. its velocity and acceleration are both downward
D. its velocity is downward and its acceleration is upward
E. its velocity and acceleration are both decreasing

8. An object is thrown straight up from ground level with a speed of 50 m/s. If g = 10 m/s2 its
distance above ground level 1.0 s later is:
A. 40 m
B. 45 m
C. 50 m
D. 55 m
E. 60 m

9. An object is thrown straight up from ground level with a speed of 50 m/s. If g = 10 m/s2 its
distance above ground level 6.0 s later is:
A. 0.00 m
B. 270 m
C. 330 m
D. 480 m
E. none of these

10. At a location where g = 9.80 m/s2, an object is thrown vertically down with an initial speed
of 1.00 m/s. After 5.00 s the object will have traveled:
A. 125 m
B. 127.5 m
C. 245 m
D. 250 m
E. 255 m

11. An object is thrown vertically upward at 35 m/s. Taking g = 10 m/s2, the velocity of the
object 5 s later is:
A. 7.0 m/s up
B. 15 m/s down
C. 15 m/s up
D. 85 m/s down
E. 85 m/s up

12. A feather, initially at rest, is released in a vacuum 12 m above the surface of the earth. Which
of the following statements is correct?
A. The maximum velocity of the feather is 9.8 m/s
B. The acceleration of the feather decreases until terminal velocity is reached
C. The acceleration of the feather remains constant during the fall
D. The acceleration of the feather increases during the fall
E. The acceleration of the feather is zero

13. An object is released from rest. How far does it fall during the second second of its fall?
A. 4.9 m
B. 9.8 m
C. 15 m
D. 20 m
E. 25 m

14. A heavy ball falls freely, starting from rest. Between the third and fourth second of time it
travels a distance of:
A. 4.9 m
B. 9.8 m
C. 29.4 m
D. 34.3 m
E. 39.8 m

15. As a rocket is accelerating vertically upward at 9.8 m/s2 near Earth’s surface, it releases a
projectile. Immediately after release the acceleration (in m/s2) of the projectile is:
A. 9.8 down
B. 0
C. 9.8 up
D. 19.6 up
E. none of the above

16. A stone is released from a balloon that is descending at a constant speed of 10 m/s. Neglecting
air resistance, after 20 s the speed of the stone is:
A. 2160 m/s
B. 1760 m/s
C. 206 m/s
D. 196 m/s
E. 186 m/s

17. An object dropped from the window of a tall building hits the ground in 12.0 s. If its acceleration
is 9.80 m/s2, the height of the window above the ground is:
A. 29.4 m
B. 58.8 m
C. 118 m
D. 353 m
E. 706 m

18. Neglecting the effect of air resistance a stone dropped off a 175-m high building lands on the
ground in:
A. 3 s
B. 4 s
C. 6 s
D. 18 s
E. 36 s

19. A stone is thrown vertically upward with an initial speed of 19.5 m/s. It will rise to a maximum
height of:
A. 4.9 m
B. 9.8 m
C. 19.4 m
D. 38.8 m
E. none of these

20. A baseball is hit straight up and is caught by the catcher 2.0 s later. The maximum height of
the ball during this interval is:
A. 4.9 m
B. 7.4 m
C. 9.8 m
D. 12.6 m
E. 19.6 m 