4th Quarter Pretest in Science 9 - Physics

Quiz by Noreen Mabbagu

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Q 1/30
Score 0
Which of the following statements best describe the motion of an object as observed in the illustration below?
29
B. The object moves along the vertical axis
         only and freefalls to the ground.
D. The object moves on both horizontal and vertical axis and free falls to the ground.
A. The object moves in the absence of gravity.
C. The object moves along the horizontal axis
         only free fall to the ground.

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30 questions

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Q1
Which of the following statements best describe the motion of an object as observed in the illustration below?
B. The object moves along the vertical axis
         only and freefalls to the ground.
D. The object moves on both horizontal and vertical axis and free falls to the ground.
A. The object moves in the absence of gravity.
C. The object moves along the horizontal axis
         only free fall to the ground.
60s
Q2
Label the components of an object projected vertically and fell towards the grounds. Choose from the choices in the box that best describes each component respectively.
Options:
a) initial horizontal velocity
b) initial vertical velocity
c) maximum height
d) range
e) trajectory
A. a, b, c, d, e

C. c, d, b, a, e
B. b, c, d, e,a
D.d, e, a, b, c,
60s
Q3
Based on the illustration, how would you relate the maximum horizontal distance attained by the ball to the angle of release as it is being kicked?
B. The ball attained its maximum horizontal distance at 30^o and 60^o release.
D. The ball attained its maximum horizontal distance as it is released at an angle of 45^oand 75^o.
A. The ball attained its maximum horizontal distance at any angle of release.
C. The ball attained its maximum horizontal distance as it is released at an angle of 45^o.

60s
Q4
A football was projected vertically with an initial speed of 10 m/s at an angle of 30^o. To what distance along the horizontal does the football will land from its initial position?
(Note: acceleration due to gravity a_g = 9.8 m/s²)

C. 8.84 m
D. 8.89 m
A. 0.88 m
B.0.89 m
60s
Q5
A football was projected vertically with an initial speed of 10 m/s at an angle of 30^o. How much is the maximum height attained by the football?
(Note: acceleration due to gravity a_g = 9.8 m/s²)
B.1.28 m
A. 0.89 m

D. 8.84 m
C. 2.55 m
60s
Q6
Which among the given illustrations shows an object in horizontal projection?
60s
Q7
Which two among the given illustrations show objects in a vertical projection?
60s
Q8
If all the given vehicles below are moving at a speed of 4 m/s, which one possesses the greatest momentum?
60s
Q9
A 50 kg cart moves across the floor at a speed of 2 m/s.How much is its momentum?

C. 52 kg m/s
D. 100 kg m/s
B. 50 kg m/s
A. 25 kg m/s
60s
Q10
The illustration below shows a perfectly inelastic collision. Which of the following best describes this type of collision?
C. The colliding objects separate their ways after the collision.
D. The total energies after collision remains unchanged.
B. The momentum after collision is less.
A. There is an increase in the kinetic energy after the collision.

60s
Q11
A 10,000 kg truck traveling along a straight path was acted by a 100 N of force in 3s. How much impulse does it experience?
A. 10 N.s
C. 33 N.s
D. 300 N.s
B. 30 N.s
60s
Q12
Why do airbags are one of the important features in the car industry to change the momentum of a driver to a stop?
A. Airbags allow a big amount of external force to apply.

C. Airbags in the car allow a big amount of exerted force over a long time.
D. Airbags in the car allow a smaller amount of exerted force over a long time.
B. Airbags allow a small amount of external force to apply.
60s
Q13
The total momentum of two objects after the collision is 350kg m/s. What will be their total momentum before the collision?
A. Not enough information is given.

B. 175 kg m/s
C. 0 kg m/s
D.350 kg m/s
60s
Q14
Two cars approaching each other collide and separate after a collision in different directions. What type of collision is present?
D.neither A nor B
B. Inelastic
A. Elastic collision

C.Perfectly inelastic
60s
Q15
Bong and Lenny ride the roller coaster ride in a carnival. They had experienced the up and down motion of the coaster as they go along the different points of the trail. At what point of the trail do Bong and Lennyexperience the maximum amount of potential energy?
B. A and B
A. A only
D. B and D
C. A, B, and C
60s