WorksheetsUnit K section Review 2
Total questions: 34
Worksheet time: 32mins
When a student runs and kicks a ball, they have applied an ___________ force to move the ball.
Balanced
Magnetic
Spring
Unbalanced
If the earth did not have _________, it would be impossible for humans to do anything because we would not be able to sit, stand, or walk around.
weight
the 3rd law of motion
ice cream
gravity
A _______ _______ can push or pull, but we like to use it to put pictures on the fridge.
magnetic force
spring force
mechanical force
electrostatic force
Standing in line is an example of a ________ ________ since you are not moving forward, backward, or sideways.
negative acceleration
balanced force
unbalanced force
1st law of motion
The __________ between the sole of you shoe and the floor keeps you from slipping.
friction
gravity
acceleration
motion
When the teacher rearranges the desks in the classroom, she must apply ____________ to push and pull the desks around.
acceleration
force
weight
magnets
Which is newtons first law states
An object at rest will remain at rest unless a force is applied
An object is moving
An object has stopped
An moving object will keep going when a force is applied to it
Which is newtons 3rd law
for every thing there is reaction
for every reaction there is a unusual action
For every reaction there is an equal and opposite reaction
for every reaction there is an good action
Which is newtons 2nd law
Acceleration is a change in speed
Acceleration is a change in action
Acceleration is a change in name
Acceleration is a change in velocity
What is an example of newtons 2nd law
sleeping
velocity
driving
sitting
What is an example of newtons 3rd law
running
car crash
high five
walking
An example of newtons 1st law
kicking a ball
walking
moving
running
Which type of force(s) will cause a change in an object's motion?
gravity
balanced forces
unbalanced force
net force
A magician pulls a rabbit out from in his hat
Newton's 2nd Law
Newton's 1st Law
Newton's 3rd Law
Newton's third law states that any action will have a(n) _______ and ______ reaction
equal and same
equal and opposite
equal and equal to
The tendency of objects to resist a change in motion is called:
Friction
Inertia
Gravity
Velocity
Which two of these forces act on parachutes?
Air Resistance
Gravity
Thrust
Kinetic Energy
What causes an object to fall faster?
Smaller surface area
Larger surface area
If it has a parachute
If it is softer
Another name for air resistance is...
Buoyancy
Streamline
Gravity
Drag
The larger the surface area of the moving object, the ___________ air resistance there is.
Less
More
Longer
Quicker
Air resistance pushes against falling
objects and __________________.
Speeds them up
Keeps them afloat
Slows them down
Spins them
The larger the parachute the ____________
Less air resistance
More surface tension
Less drag
More drag
Which has more air resistance?
Air resistance is a force caused by...
Water pushing against moving objects
Air pushing against moving objects
Gravity pushing against moving objects
Normal force pushing against moving objects
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
Gravity is a
Contact Force
Myth
Non-contact Force
The force between the two people through the rope is
Contact Pull
Non-contact Pull
Contact Push
Non-contact Push
Which is an example of a non-contact force?
elastic force
normal force
applied force
electric force
Friction is a
Contact Force
Myth
Non-contact Force
