AP Physics Progress Check Reviewed Questions With Correct Answers
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Course
AP Physics
Institution
AP Physics
AP Physics Progress Check Reviewed Questions With
Correct Answers
A moon orbits a planet in a nearly circular orbit of radius RR, as shown in the figure.
Astronomers making careful observations of the moon's orbit discover that the orbit is not
perfectly circular, nor is it elliptical. Which ...
AP Physics Progress Check Reviewed Questions With
Correct Answers
A moon orbits a planet in a nearly circular orbit of radius RR, as shown in the figure.
Astronomers making careful observations of the moon's orbit discover that the orbit is not
perfectly circular, nor is it elliptical. Which of the following statements supports this
observation?☑️Correct Ans-There is another celestial body that exerts a gravitational force on
the moon.
Two containers of water can have their individual masses varied by adding or removing water.
The containers are initially a distance dd apart, as measured from their centers, and are filled
with water so that each has a mass MM, as shown in Figure 1 above. The gravitational force that
one container exerts on the other is F0F0. Water is then added to one container so that its mass
increases to 1.5M1.5M, and water is removed from the other container so that its mass decreases
to 0.5M0.5M, as shown in Figure 2. What is the new gravitational force exerted on one container
by the other?☑️Correct Ans-3/4F0
Satellite AA orbits a planet at a distance dd from the planet's center with a centripetal
acceleration a0a0. A second identical satellite BB orbits the same planet at a distance 2d2d from
the planet's center with centripetal acceleration abab. What is the centripetal acceleration abab in
terms of a0a0 ?☑️Correct Ans-a0/4
A student must conduct two experiments so that the inertial mass and gravitational mass of the
same object can be determined. In the experiment to find the object's gravitational mass, the
student ties one end of a string around the object with the other end tied to a spring scale so that
the object can vertically hang at rest. In the experiment to find the object's inertial mass, the
student uses a spring scale to pull the object, starting from rest, across a horizontal surface with a
, constant applied force such that frictional forces are considered to be negligible. In addition to
the spring scale, the student has access to other measuring devices commonly found in a science
laboratory. Which of the following lists the essential measuring devices the student can use to
collect the data necessary to find the object's gravitational and inertial mass?☑️Correct Ans-
Meterstick and timer
Two experiments are conducted are conducted to determine the mass of an object. In Experiment
1, the object's weight is measured by using an electronic balance once the object has been placed
at rest on the balance. In Experiment 2, the object is pulled along a horizontal surface with a
spring scale such that the force reading on the spring scale remains constant while a motion
detector is used to measure the instantaneous speed of the object as it is pulled. All frictional
forces for both experiments are considered to be negligible. Which of the two experiments, if
either, could be used to determine the gravitational mass of the object?☑️Correct Ans-
Experiment 1 only
A student analyzes data of the motion of a planet as it orbits a star that is in deep space. The orbit
of the planet is considered to be stable and does not change over time. The student claims, "The
only experimentally measurable external force exerted on the planet is the force due to gravity
from the star." Is the student's claim supported by the evidence? What reasoning either supports
or contradicts the student's claim?☑️Correct Ans-Yes. Other external forces are exerted on the
planet, but they are of negligible magnitude.
An object is placed on a rotating disk. The amount of time it takes the object to make one
revolution around the center of the circle may be set at a known value. Which of the following
procedures could be used to make the necessary measurements to find the coefficient of static
friction between the object and the disk's surface?☑️Correct Ans-Place the object on the disk
and measure the distance from the center of the disk to the center of mass of the object by using a
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