Gravity and Balanced/Unbalanced Forces in Physics
Gravity
Balanced and Unbalanced
Forces & Gravity
Notes
Write down the words in yellow.
The words in white are discussion points, you
may write these down, but are not required.
Gravity
•
Gravity is a
force
that pulls objects toward each
other.
•
Gravity
attracts
objects toward each other even
if the objects do not
touch
.
Gravity
•
You probably think of gravity as a force pulling
objects toward the ground. But this force acts
everywhere in the universe – not just on Earth.
•
Gravity pulls
ALL
objects in the universe toward
each other.
Balanced and Unbalanced Forces
•
Remember that a force is a push or pull on an
object.
•
Balanced
forces are forces that cause an object to
remain in place.
•
A bench on the street could represent a balanced
force. The force of gravity pulling the bench down
is balanced by the force of the street pushing the
bench up.
Balanced and Unbalanced Forces
•
Unbalanced
forces can cause an object to start
moving, stop moving, or change direction.
•
Unbalanced forces
change
the motion of objects.
•
The change in motion depends on three main
factors:
direction
of force applied,
strength
of the
force, and
mass
of the object.
Balanced and Unbalanced
Forces
•
Picture a hammer striking down on a nail.
The hammer striking the nail represents
unbalanced forces. The hammer strikes the
nail with a strong downward force. The
downward force of the hammer is greater
than the force of the wood pushing up on the
nail. Thus, the nail moves into the block of
wood.
Watch the following videos:
Forces (Brain Pop)
https://www.brainpop.com/science/energy/forces/
Gravity and Inertia (Study Jams)
http://studyjams.scholastic.com/studyjams/jams/sci
ence/forces-and-motion/fgravity-and-inertia.htm
Newton’s Third Law: Action and Reaction
(Study Jams)
http://studyjams.scholastic.com/studyjams/jams/sci
ence/forces-and-motion/action-and-reaction.htm
Exit Ticket
1)
What is gravity?
2) What is the relationship between balanced and
unbalanced forces and the motion of an object?
Explore the fundamental concepts of gravity and balanced/unbalanced forces in physics. Gravity is the force that pulls objects toward each other, acting universally. Balanced forces maintain object stability, while unbalanced forces can cause motion changes based on direction, strength, and mass. Discover the intricate relationships between these forces through real-world examples and engaging videos.
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Presentation Transcript
Gravity Balanced and Unbalanced Forces & Gravity
Notes Write down the words in yellow. The words in white are discussion points, you may write these down, but are not required.
Gravity Gravity is a force that pulls objects toward each other. Gravity attracts objects toward each other even if the objects do not touch.
Gravity You probably think of gravity as a force pulling objects toward the ground. But this force acts everywhere in the universe not just on Earth. Gravity pulls ALL objects in the universe toward each other.
Balanced and Unbalanced Forces Remember that a force is a push or pull on an object. Balanced forces are forces that cause an object to remain in place. A bench on the street could represent a balanced force. The force of gravity pulling the bench down is balanced by the force of the street pushing the bench up.
Balanced and Unbalanced Forces Unbalanced forces can cause an object to start moving, stop moving, or change direction. Unbalanced forces change the motion of objects. The change in motion depends on three main factors: direction of force applied, strength of the force, and mass of the object.
Balanced and Unbalanced Forces Picture a hammer striking down on a nail. The hammer striking the nail represents unbalanced forces. The hammer strikes the nail with a strong downward force. The downward force of the hammer is greater than the force of the wood pushing up on the nail. Thus, the nail moves into the block of wood.
Watch the following videos: Forces (Brain Pop) https://www.brainpop.com/science/energy/forces/ Gravity and Inertia (Study Jams) http://studyjams.scholastic.com/studyjams/jams/sci ence/forces-and-motion/fgravity-and-inertia.htm Newton s Third Law: Action and Reaction (Study Jams) http://studyjams.scholastic.com/studyjams/jams/sci ence/forces-and-motion/action-and-reaction.htm
Exit Ticket 1) What is gravity? 2) What is the relationship between balanced and unbalanced forces and the motion of an object?
