Force and Motion Review: Balanced/Unbalanced Forces

Quiz
•
Science
•
8th Grade
•
Medium
Standards-aligned
Kayla Alewine
Used 43+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will happen to an object in motion with no unbalanced force acting on it?
It will continue to accelerate until it reaches the speed of light.
It will gradually slow down and come to a rest.
It will continue to move at a constant speed.
It will initially accelerate but gradually slow down until it comes to a rest.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lee pushes on a wall to stretch after a long run. He pushes on the wall with 20 N of force, yet the wall does not move. Which term best describes the forces in this scenario?
unbalanced forces
gravitational forces
directional forces
balanced forces
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What term represents the strength of a force?
direction
inertia
friction
magnitude
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Under what condition will a bowling ball slow down if it is rolling down a bowling lane at a constant speed?
The mass of the ball is reduced.
The direction of the ball is changed.
An accelerating force is applied to the ball.
An unbalanced external force is applied to the ball.
Tags
NGSS.MS-PS2-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car being pushed to the right with a force of 150 N encounters a frictional force of 50 N to the left. What is the magnitude of the net force acting on the car?
toward the left
toward the right
100 N
200 N
Tags
NGSS.MS-PS2-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two teams (1 and 2) were playing a game of tug-of-war, and each applied an equal force in opposite directions. How will the rope most likely be affected by the applied forces?
The rope will not move.
The rope will shrink in length.
The rope will move towards team 1.
The rope will move towards team 2.
Tags
NGSS.MS-PS2-2
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