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WorksheetsScience 9 Quarter 4
Total questions: 25
Worksheet time: 5mins
Which of the following statements is true for uniformly accelerated motion?
The velocity increases at an increasing rate.
The velocity increases at a constant rate.
The velocity decreases at a constant rate.
The velocity remains constant throughout.
Among the following variables, which one is not a vector quantity?
acceleration
displacement
distance
velocity
Which of the following scenarios best shows a real-life situation involving uniformly accelerated motion in the horizontal dimension?
A boat sailing smoothly across a calm lake.
A skydiver falling freely from an airplane.
A roller coaster descending from the top of a hill.
A car traveling on a straight road at a constant speed.
In free fall, what is the only force acting on the object or body?
air resistance
friction
gravity
there is no force acting on the body
Which of the following quantities remains constant during uniformly accelerated motion in the vertical dimension?
Velocity
Displacement
Acceleration
Time
In uniformly accelerated motion in the vertical dimension, the acceleration is always:
Positive
Zero
Negative
Variable
Fidel throws the ball straight up with an initial velocity of 10 m/s. What is its velocity at the highest point?
-10 m/s
0 m/s
10 m/S
20 m/s
What is the velocity of the ball when it returns to the same elevation from where it was initially thrown, considering that it was thrown straight up with an initial velocity of 10 m/s?
-10 m/s
0 m/s
10 m/s
20 m/s
Which of the following scenarios demonstrates a real-life situation involving uniformly accelerated motion in the vertical dimension?
A toy car being pulled by a constant force.
A ball dropped from a certain height.
A car driving at a constant speed on a straight road.
A skateboarder pushing off and gliding along a flat surface.
Which of the following best describes a projectile motion?
The motion of an object sliding down a slope.
The motion of an object moving in a circular path.
The combination of horizontal and vertical motions affected by gravity.
The motion of an object thrown vertically upwards.
Which component of projectile motion is characterized by a uniform motion?
Vertical component
Y component
X component
Acceleration component
What happens to the vertical velocity of an object thrown upward with an angle as it moves upward?
It increases until it reaches the highest peak.
It remains constant throughout the motion.
It decreases until it reaches the highest peak.
It varies depending on the angle of projection.
How does the velocity of a projectile change during its motion?
It remains constant throughout the motion.
It increases as it goes up and decreases as it comes down.
It decreases as it goes up and increases as it comes down.
It varies depending on the angle of projection.
How does the horizontal and vertical motion of a projectile relate to each other?
They are completely independent of each other.
They occur simultaneously.
The horizontal motion affects the vertical motion.
The vertical motion affects the horizontal motion.
In a real-life scenario, which of the following situations would involve projectile motion?
Riding a bicycle downhill.
A basketball player shooting a ball.
Swimming in a pool.
Driving a car on a straight road.
At the highest point of its trajectory, what is the vertical component of velocity (viy) of a projectile?
Zero
Minimum
Maximum
Equal to the horizontal velocity
Based on the graph, which angle of release results in the longest downrange distance (x) for the projectile?
15°
30°
45°
75°
Which angle of release results to a maximum height (vertical distance) for the projectile?
15°
30°
45°
75°
Analyze the graph, which angle of release results in the same downrange distance (x) for the projectile?
45° and 60°
30° and 45°
15° and 30°
30° and 60°
How does the angle of release of a projectile affect its maximum height?
As the angle of release decreases, the height increases.
As the angle of release increases, the height increases.
The angle of release has no effect on the height.
The height is inversely proportional to the angle of release.
How does the angle of projection affect the range of a projectile?
The range increases as the angle increases, reaching its maximum at 90°.
The range is always greater for higher angles, regardless of the initial velocity.
The range remains the same for all angles of release.
The range decreases for angles lower or higher than 45°.
Which of the following is not part of the given?
g= -9.8 m/s2
vf= 10 m/s
t= 10 s
vi= 0 m/s
Which variable is required to solve in the given problem?
displacement
acceleration
time
final velocity
Which equation will you use to solve the required variable in the given problem?
d = [(vf + vi) (t)]/2
vf = vi + gt
vf2 = vi2 + 2gd
d = vi t + ½ gt2
Using the equation in question no. 24, what is the height of the building?
49 m
59.60 m
490 m
509 m
