Intro to forces
Authored by Christina Oldani
Science
6th - 8th Grade
NGSS covered
Used 267+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is gravity?
a noncontact force
a frictional force
a contact force
a magnetic force
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of these is considered a contact force?
the force between two charged particles
the friction between an object and air
the gravitational pull of a planet
the force between two magnets
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A box has two forces acting on it. Once force is 100 N upward. Another force is 50 N downward. What is the net force of the box?
50 N downward
50 N upward
100 N upward
100 N downward
Tags
NGSS.MS-PS2-2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Melanie watched the path a baseball followed after a pitcher threw it. She noticed that the ball traveled horizontally away from the pitcher as well as downward toward the ground. What force caused the ball to accelerate in the downward direction when it was thrown?
applied force
air resistance
electrical force
gravitational force
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why are some forces considered to be noncontact forces?
Objects push each other apart to increase the distance between them.
Objects must be large in size in order to exert a force that is strong enough to notice.
Objects do not have to touch each other to experience a force.
Objects must be far apart in order to exert a force.
Tags
NGSS.MS-PS2-5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why is the friction force considered to be a contact force?
Friction affects only solid objects.
Friction always acts in the same direction.
Friction is produced when objects slide past one another.
Friction acts in a direction opposite to the direction of an object's motion.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why is the magnetic force considered to be a noncontact force?
Magnets must be large in size in order to exert a force that is strong enough to notice.
Magnets push each other apart to increase the distance between them.
Magnets do not have to touch each other to experience a force.
Magnets must be far apart in order to exert a force.
Tags
NGSS.MS-PS2-5
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