Forces occur in pairs. The first force is called the action force. The second force would be called the:
Unit 6 Exam Practice

Quiz
•
Physics
•
8th Grade
•
Easy
Jeffrey Woodard
Used 265+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
moving force.
momentum force.
reaction force.
kinetic force.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the absence of friction, if a force acting on a moving object stops acting, the object will:
stop moving.
move at a slower speed.
speed up.
keep moving at a constant speed.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A change in position of an object is its ___________.
motion
acceleration
speed
inertia
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Three forces are acting upon the box shown in the diagram below.
Assuming there is no friction between the floor and the ground, how will these forces affect the position of the box?
The forces will cause the box to move to the left.
The forces will cause the box to move to the right.
The forces will cause the box to collapse to the ground.
The forces will be unable to move the box in any direction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Earth has a large mass, which requires a _______ force to _________ its motion.
small/maintain
small/change
large/maintain
large/change
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This diagram shows a segment of a roller coaster. As the roller coaster car moves from Point A to Point B, its speed increases. Why?
The force of friction decreases on the downhill track.
The inertia of the roller coaster car decreases.
Balanced forces act on the roller coaster car.
Unbalanced forces act on the roller coaster car.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
hich of the following best completes this sentence? In every interaction, forces occur in ___________.
specific places
single unit
pairs
one direction only
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