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WorksheetsForces
Total questions: 123
Worksheet time: 2hrs 11mins
Magnetic Force is an example of ____________ force.
contact
non-contact
balanced
unbalanced
______________ is a force that always acts in the direction opposite of motion.
applied
friction
gravity
normal
Applied force is an example of a _________________ force.
contact
non-contact
balanced
unbalanced
An icy road has less __________ than a dry road.
friction
gravity
magnetism
water
What keeps the planets in orbit around the sun?
gravity
friction
density
distance
What is GRAVITY?
A force that pushes all objects away.
A force that attracts all objects toward one another.
A force that creates magnetic fields.
The force of electrons spinning in a certain direction.
Air resistance is a...
Contact Force
Non-Contact Force
What are the three NON-CONTACT forces we are studying this unit?
Gravity, friction, air resistance
Forces, motion, human body systems
Friction, electricity, muscular system
Gravity, electromagnetism, and magnetism
What is a NON-CONTACT force?
A push or pull force where the objects are not touching
A push force where the objects are touching.
An example would be pulling open a door.
The only type of force that exists in the world.
The three examples pictured are of
Non-contact Forces
Contact Forces
The force between the phone and the mount is a
contact force
non-contact force
When you drop a hammer and a feather, why does the feather fall slower?
air resistance causes the feather to slow down
gravity pulls harder on the hammer than the feather
gravity pulls harder on the feather than the hammer
air resistance causes the hammer to fall slower
Air resistance is a...
Contact Force
Non-Contact Force
Normal force is a...
Contact Force
Non-Contact Force
What is the name of the missing force?
gravity
normal force
applied force
frictional force
What unit is used to measure force?
gram
magnitude
direction
Newton
A vector is an arrow that represents both ____________ and _____________ of a force.
Wings and halos
Space and time
Direction and magnitude
Radicals and exponents
A push or a pull
Force
Applied Force
Normal Force
A force that move an object towards you
Force
Push
Pull
A force that moves an object away from you
Force
Push
Pull
A force applied by a person or object onto another object
Applied Force
Push
Pull
A force that opposes motion
Applied Force
Friction
Normal Force
A force exerted by magnets
Gravity
Electric
Magnetic
A force exerted by electrically charged particles or objects
Gravity
Electric
Magnetic
A force that occurs when two objects do not physically touch each other
Contact Force
Non-Contact Force
A force that occurs when two objects physically touch each other
Contact Force
Non-Contact Force
A force exerted by a surface onto an object resting on that surface
Applied Force
Normal Force
Friction
The combined result of all forces acting on an object
Newtons
Net Force
Contact Force
When the forces acting on an object are equal and balanced
and have a net force of 0N.
These forces do not create motion.
Balanced Forces
Unbalanced Forces
When the forces acting on an object are not equal and balanced
and net force is anything except 0N.
These forces always create motion.
Balanced Forces
Unbalanced Forces
The movement of an object
Unbalanced Forces
Newtons
Motion
A liquid that reduces friction by making the surface smoother
Lubricant
Unbalanced Force
Friction
an act of changing physical location or position of an object
Motion
Movement
Unbalanced Force
A force of attraction between objects with mass
Electric Force
Gravity
Magnetic Force
Match the following forces to how they are working on the cake.
gravity
attraction of the cake to the table
normal force
the force the table is putting on the cake
friction
cake plate rubbing on table
Look at the diagram. Three bar magnets, each with opposing poles, are placed near each other in a straight line. Which of the following variables can change the strength of the magnetic force between the magnets?
Distance between the magnets
Color of the magnets
Material of the table
Shape of the magnets
The table provides definitions for four kinds of forces. Which option matches each force with its correct position in the table?
A. 1: Gravity; 2: Friction; 3: Applied Forces; 4: Magnetism
B. 1: Magnetism; 2: Gravity; 3: Applied Forces; 4: Friction
C. 1: Gravity; 2: Friction; 3: Magnetism; 4: Applied Forces
D. 1: Applied Forces; 2: Friction; 3: Gravity; 4: Magnetism
A contact force is from
objects physically touching
far apart objects
not touching object
always a pull
A non-contact force is between
two objects that aren't touching
two objects that are touching
the ground and wheels
you and me
The three examples pictured are of
Non-contact Forces
Contact Forces
The force between the phone and the mount is a
contact force
non-contact force
The force between the two people through the rope is
Contact Pull
Non-contact Pull
Contact Push
Non-contact Push
Gravity is a
Contact Force
Myth
Non-contact Force
Friction is a
Contact Force
Myth
Non-contact Force
Magnetic Force is an example of ____________ force.
contact
non-contact
balanced
unbalanced
______________ is a force that always acts in the direction opposite of motion.
applied
friction
gravity
normal
Applied force is an example of a _________________ force.
contact
non-contact
balanced
unbalanced
You are pulled to the surface of the earth due to the force of _________________
gravity
friction
normal force
contact force
An icy road has less __________ than a dry road.
friction
gravity
magnetism
water
Which is an example of a non-contact force?
elastic force
normal force
applied force
electric force
10. A ball rolls down from the top of a grassy hill, reaches the bottom of the hill, continues to roll, and then starts to slow down and comes to a stop. What forces caused this ball's motion?
Frictional force caused the ball to roll down the hill, but air resistance caused the ball to slow down and stop.
Magnetic force caused the ball to roll down the hill, but gravity caused the ball to slow down and stop.
The force of the hill caused the ball to roll down it, but gravity caused the ball to slow down and stop.
Gravity caused the ball to roll down the hill, but frictional force caused the ball to slow down and stop.
What keeps the planets in orbit around the sun?
gravity
friction
density
distance
Life jackets help people (and dogs) stay buoyant in water.
False
True
The sum of all forces acting on an object.
net force
applied
contact
What force ultimately slows the roller coaster to a stop?
Applied
Normal
Friction
Gravitational
Is the force of attraction that the body with mass exerts on another.
Tension
Push or pull
Gravity
Normal force
Force of attraction (pulling) between two objects. (Every object experiences this on earth)
gravitational
normal
applied
friction
what is a force?
a push or a pull
change in displacement
change in direction
which of these is an effect of force?(tick mark the correct answers)
force can start a motion
force can stop a motion
force can change the direction of motion
force can change the shape of an object
force can change the speed a moving object
An Orange falls off a tree and lands on the ground. What force caused the orange to fall?
friction
heat
gravity
wind
Every magnet has a:
East and West pole
North and South pole
East and South pole
North and West pole
Chicago and Saint pole
If two magnets come together what is it called?
Repel
Force
Attract
None of the Above
What is a force?
push
none
push or pull
pull
How can forces affect objects?
change an object's size
changes the gravitational pull
changes speed and direction
all of the above
Magnetic force is
a contact force
when magnets attract
when magnets repel
a noncontact force
An example of friction is
a softball player sliding across the clay field to third base
ice melting
roller skating on a smooth surface
balloons sticking to a cat's fur
Which of the following is an example of a noncontact force?
slapping tables
falling into a pool
playing video games
none of these
Gravity is
a contact force that pulls objects down
a force that resists sliding motion
a noncontact attractive force
humans walking on Earth
Mass is the amount of _________ in an object.
weight
matter
particles
atoms
What statement is true based on the image?
Scenario A has the weakest gravitational pull
the smaller object has more mass, so it has a stronger gravitational pull on the larger object
Although the objects are equal in mass in Scenario C, it has the weakest gravitational pull
Gravity isn't illustrated in any scenario
Any object with mass is attracted to any other object with mass.
true
false
The amount of gravitational force between objects depends on the _______ between them and the ______ of each.
gravity,mass
distance,mass
weight,gravity
distance,gravity
Complete the law:
For every action, there is an ____________ reaction.
equal and opposite
equal
opposite
bigger and better
Complete the statement:
When an object is pushed, it __________________ with an equal and opposite force.
always pushes back
pushes back if it has a larger mass
pushes back it if has a smaller mass
will not push back
What is the relationship between the action and reaction forces?
Different and opposite
Equal and same
Equal and opposite
Equal and different
Explain how a balloon moves forward when air is released from it.
The force created by the air flow pushes the balloon forward.
The balloon moves forward due to the weight of the air inside it.
The balloon moves forward because of the heat generated by the air inside it.
The balloon moves forward because of the elasticity of the rubber material.
When a person pushes a wall, what are the action and reaction forces involved?
Action and reaction
Force and reaction
Action force and reaction force
Push force and wall force
True or False: Action and reaction forces act on the same object.
False
Only in certain situations
Sometimes
True
What is the net force on an object when action and reaction forces are present?
zero
equal to the action force
double the action force
half of the action force
Explain how a swimmer propels forward in water using action-reaction forces.
The swimmer propels forward by pushing against the water and utilizing action-reaction forces.
The swimmer propels forward by kicking their legs and using their arms to push against the water.
The swimmer propels forward by pulling the water towards them.
The swimmer propels forward by using a motorized device to push against the water.
When a small car pushes a big truck, the truck applies an equal and opposite force on the car
True
False
When a small car pushes a big truck, the truck applies an equal and opposite force on the car
True
False
When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?
The cannon moving forward
the cannon moving backwards
the cannonball moving backwards
The cannonball moving forward
A book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward ?
The table presses back up on the book with an equal and opposite force of 20 newtons.
The table presses back up with a force greater than 20 Newtons
The tale and the book together are accelerating downwards at 9.8 m/sec2
The inertia of the book holds it up
Which of the following would be a good example of Newton's third law of motion?
An air freshener hanging from the rear-view mirror of a car hangs still while the car moves forward with a constant acceleration
A carbon dioxide-fueled rocket launches upward into the air as carbon dioxide gas accelerates toward the ground below the rocket
Two balls of different masses are rolled with the same force, resulting in the ball with larger mass stopping faster than the ball with the smaller mass.
All of the above
A swimmer pushes on the water and the water pushes on the hand and the swimmer moves forward. What is the ACTION force?
Swimmer pushes on the water
the water pushes on the hand and the swimmer moves forward
A swimmer pushes on the water and the water pushes on the hand and the swimmer moves forward. What is the REACTION force?
Swimmer pushes on the water
the water pushes on the hand and the swimmer moves forward
A bowling ball hits the pins and the pins fall over. What is the ACTION force?
Bowling ball hitting pins
Pins falling over
The swimmer pushes off of the wall of the pool and moves forward. What is the ACTION in this example?
Swimmer pushes off the wall of the pool
Swimmer moves forward
If you apply MORE force to the ground what happens to the ground pushing on you?
The force remains the same
The force increases
The force decreases
If the gymnast decreases the force they exerts on the trampoline, what will the reaction be?
The gymnast will be pushed back by the trampoline with more force and go higher into the air
The gymnast will be pushed back by the trampoline with less force and not go as high into the air
No change will happen to the gymnast
The baseball player wants to hit a homerun. What does he have to do to the force they exert on the ball?
The baseball player will need to apply more force to the bat swinging at the ball
The baseball player will need to apply less force to the bat swinging at the ball
The baseball player should change nothing about his swing
Katniss Everdeen applies 20 N of force back on her bow. What happens to the arrow when she lets go?
The arrow goes backwards
The arrow goes forwards with 20 N
The arrow goes forwards with 30 N
The arrow goes forwards with 0 N
