5. Without measuring the path of the loop, what should we know to
the complete path taken by an object moving in circular motion?
determine
d. it is not possible.
c. radius
a. acceleration b. period
6. It is the time an object takes to complete one revolution
a. acceleration
period
c. radius
d. time
В.
7. Michael is whirling a tied airplane when it
suddenly snaps. Which of the following paths
will the toy plane follow? Refer to the image at
the right.
C.
D.
8. What law of motion best explains the path of
Michael's toy airplane after the string snaps?
a. Law of Inertia
b. Law of Interaction
c. Law of Gravitation
d. Law of Acceleration
For items 9 to 11, refer to the situation below.
An athlete whirls a 5-kg hammer tied to the end of a 1.5-meter chain in a
horizontal circle. The hammer makes 1 revolution in 2 seconds.
C.
9. Which of the following data describes the radius of the circular motion of the
hammer?
a. 5-kg hammer
revolution
b. 1.5-meter chain
d. 2 seconds
10. What data best suggests the speed of the hammer?
a. 5-kg hammer
c. 1 revolution in 2 seconds
b. 1 second
d. 1.5-meter chain in 1 second
11. What is the centripetal acceleration of the hammer?
a. 10 m/s2 b. 15 m/s2
c. 20 m/s2
d. 25 m/s2
12. In uniform circular motion, how does acceleration change when the speed is
increased by a factor of 3 and radius is decreased by a factor of 2?
a. 4.5 times b. 9 times
c. 18 times
d. 27 times
13. Which best describes a car that has a center-directed acceleration?
a. it is moving in non-uniform motion.
b. it is speeding up along a circular path.
c. it is slowing down along a circular path.
d. it has a constant speed along a circular path.

Pa help naman po pleaseee​