Force
What is Force?
Push or Pull/
Strength or Energy as an attribute of physical action or movement
What is Unbalanced Force?
A motion that changes in a different movement of an object.
What is Balanced Force?
An object with the same size that is equal in motion & force.
_______________________ are forces that cause a change in motion.
answer choices
unbalanced force
balanced force
friction
gravity
unbalanced force
___________________________ are tools used to measure force.
answer choices
spring scales
balance scales
tablespoons
magnified glass
spring scales
How many types of forces are there?
2 types
The force of ..... in the car wheels makes the car can move
#friction
#push
#elastic
#friction
An object with a mass of 30 kg is in free fall in a vacuum (NO AIR RESISTANCE). What is the acceleration of the object?
The acceleration of a free falling object here on Earth will ALWAYS be
9.8 m/s2
Force is measured in units called _________________.
answer choices
Pounds
Grams
Newtons
Liters
Newtons
A large force will cause a _______________ change in the motion of an object. A small force will cause _______________ change.
answer choices
little, large
no, some
large, little
some, no
large, little
When a body moves another
#Normal force
#Friction
#Elastic
#Pushing or pulling
#Pushing or pulling
Passing a ball to your teammate when you play basketball is an example of .....
#friction
#push
#elastic
push
What can a balanced force do to an object?
Nothing.
____________________ is a force that opposes motion and acts between two objects that are touching.
answer choices
gravity
balanced force
unbalanced force
friction
friction
What is an example of a force causing an object to change position?
answer choices
catching a baseball
kicking a soccer ball
molding clay
leaning on a wall
kicking a soccer ball
What is a net force?
The sum of all forces
A moving car can't be stopped because of a force can't stop a moving object
answer choices
TRUE
FALSE
FALSE
Friction:
answer choices
Does nothing to an object
makes an object move faster
slows an object down
Is when you fight with someone
slows an object down
_____________________________ are forces on an object that are equal in size and opposite in direction.
answer choices
unbalanced forces
Newtons
balanced forces
friction
balanced forces
Give an example of a force causing an object to stop moving.
answer choices
catching a baseball
leaning on the wall
pushing a car
shooting a basketball
catching a baseball
A force can change the ...... of an object
#direction
#force
#gravity
#direction
One of disadvantages of frictional force is that it’s hard to move heavy objects on the floor
TRUE
FALSE
True
Air resistance is a type of friction
answer choices
Yes
No
Maybe
Unsure
Yes
Friction can also exist between air and a moving object. This is called ___________________________.
answer choices
air horn
air renaissance
air balloon
air resistance
air resistance
A force is described by its _______ and ________ in which it acts
answer choices
velocity; motion
strength; direction
direction; strength
motion; distance
strength; direction