Chapter 7 Physics

Quiz
•
Physics
•
10th - 11th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When an object is moving with uniform circular motion, the object’s tangential speed
is circular.
is perpendicular to the plane of motion.
is constant.
is directed toward the center of motion.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The centripetal force on an object in circular motion is
in the same direction as the tangential speed.
in the direction opposite the tangential speed.
in the same direction as the centripetal acceleration.
in the direction opposite the centripetal acceleration.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A ball is whirled on a string, then the string breaks. What causes the ball to move off in a straight line?
centripetal acceleration
centripetal force
centrifugal force
inertia
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you lift an apple from the ground to some point above the ground, the gravitational potential energy in the system increases. This potential energy is stored in
the apple.
Earth.
both the apple and Earth.
the gravitational field between Earth and the apple.
Tags
NGSS.MS-PS3-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When calculating the gravitational force between two extended bodies, you should measure the distance
from the closest points on each body.
from the most distant points on each body.
from the center of each body.
from the center of one body to the closest point on the other body.
Tags
NGSS.HS-PS2-4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The gravitational force between two masses is 72 N. What is the gravitational force if the distance between them is tripled?
(G = 6.673 x 10–11 N•m2/kg2)
8.0 N
9.0 N
36 N
54 N
Tags
NGSS.HS-PS2-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the figure, according to Kepler’s laws of planetary motion,
A1 = A2.
Δt1 > Δt2.
if Δt1 = Δt2, then the orbit is circular.
if Δt1 = Δt2, then A1 = A2.
Tags
NGSS.HS-ESS1-4
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