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WorksheetsForce, Friction & Gravity Test Review
Total questions: 50
Worksheet time: 50mins
As the DISTANCE between two objects INCREASES, the strength of the gravitational force...
increases
decreases
stays the same
Objects in a state of FREE FALL will fall at a rate of...
9.8 miles per second per second
9.8 feet per second per second
9.8 meters per second per second
Which of the following would INCREASE air resistance?
greater surface area and greater velocity
greater surface area and less velocity
less surface area and greater velocity
less surface area and less velocity
As the MASS of an object INCREASES, the strength of the gravitational force....
increases
decreases
stays the same
How does the MASS of an object affect its ACCELERATION during FREE FALL?
The greater the mass, the greater the acceleration.
The greater the mass, the slower the acceleration.
An object's mass has no effect on its acceleration.
The SI unit for MASS is the
pound
ounce
kilogram
liter
An object moving horizontally and a dropped object are pulled toward the center of the Earth...
with the same amount of force applied
with greater force applied to the object moving horizontally
with greater force applied to the object that is dropped
Where will you have the lightest weight?
Jupiter (mass of 190,00 x 1022 kg)
Moon (mass of 7.4 x 1022 kg)
Earth (mass of 590 x 1022 kg)
What two factors affect the GRAVITATIONAL ATTRACTION between two objects?
how hard they are pushed together AND the types of surfaces
their strength AND direction in which they act
mass of the objects AND the distance between the two objects
A bowling ball and a golf ball are dropped together from a building (without air resistance)...
The golf ball would hit the ground before the bowling ball.
The bowling ball would hit the ground before the golf ball.
Both balls would hit the ground at the same time.
What is a projectile?
An object that has a tendency to stay in motion
An object that is thrown, fired, or otherwise propelled
Anything that has mass and takes up space
The fluid friction experienced by objects moving through the air is called...
gravity
terminal velocity
projectile motion
air resistance
The force that pulls objects toward each other is called...
weight
mass
gravity
friction
The greatest velocity a falling object can achieve is called...
terminal velocity
free fall
instantaneous velocity
fluid friction
What happens when two forces act in the same direction?
Their sum divided by two is the total force.
The stronger force prevails.
They add together.
They cancel each other out.
What is the SI unit used to measure FORCE?
Kilogram
Pound
Kilometer
Newton
What two factors are used to describe FORCE?
its strength & the direction it acts
mass of the object & the distance between the two objects
how hard objects are pushed together & types of surfaces
surface area of object & the velocity the the object travels
The Law of Universal Gravitation says that gravity acts on two objects in the universe to...
create friction
combine to provide a balanced force
push each other together
pull each other together
Net force is NOT equal to zero
Unbalanced force
Balanced force
Both unbalanced AND balanced forces
Equal forces acting on one object in opposite directions
Unbalanced forces
Balanced forces
Both unbalanced and balanced forces
Push or Pull
Unbalanced forces
Balanced forces
Both unbalanced AND balanced forces
Object's motion does not change
Unbalanced forces
Balanced forces
Both unbalanced AND unbalanced forces
Cause an object to start moving, stop moving, or change direction
Unbalanced forces
Balanced forces
Both unbalanced AND balanced forces
Net force equals zero
Unbalanced forces
Balanced forces
Both unbalanced and balanced forces
Friction between a swimming fish and pond water
Static friction
Rolling friction
Sliding Friction
Fluid friction
Friction between a bike wheel and brake pad while attempting to stop
Static friction
Rolling friction
Sliding friction
Fluid friction
Air resistance is classified as this type of friction
Static friction
Rolling friction
Sliding friction
Fluid friction
Hardest type of friction to overcome
Static friction
Rolling friction
Sliding friction
Fluid friction
Friction between a sled and the snow while sledding
Static friction
Rolling friction
Sliding friction
Fluid friction
Friction between a flying airplane and the air
Static friction
Rolling friction
Sliding friction
Fluid friction
Friction between a sofa and the floor
Static friction
Rolling friction
Sliding friction
Fluid friction
Friction between rollerblade wheels and the sidewalk while rollerblading
Static friction
Rolling friction
Sliding friction
Fluid friction
Friction between the sticky powder on a gymnast's hands and feet during a balance beam routine
Static friction
Rolling friction
Sliding friction
Fluid friction
The overall force of an object when all the individual forces on it are added together
Friction
Gravity
Force
Net Force
The force that two surfaces exert on each other when they rub against each other
Friction
Gravity
Net Force
Acceleration
The force that pulls objects toward each other
Friction
Gravity
Air Resistance
Net Force
Anything that has mass and takes up space
Mass
Weight
Newton
Matter
The amount of matter in an object
Mass
Weight
Newton
Gravity
The force of gravity on an object at the surface of a planet
Air resistance
Weight
Mass
Newton
A unit of measure that equals the force required to accelerate 1 kg mass at 1 m/s2
Mass
Weight
Newton
Matter
The forces pictured are...
Pushing
Pulling
The forces pictured are...
Working together
Opposite forces
The forces pictured are...
Equal
Not equal
There is...
Motion
No Motion
The resultant is...
500N to the left
450N to the right
50N to the left
50N to the right
What is the resultant net force?
800N up
400N up
800N down
400N down
What is the name given to the arrows that represent force?
Projectile
Slope
Pointer
Vector
What does the head of the arrow indicate?
Shows you where the force begins
Shows you direction of force
Shows you strength of force
What does the length of the arrow indicate?
Shows you where the force begins
Shows you direction of force
Shows you strength of force
What does the dot on the arrow indicate?
Shows you where the force begins
Shows you direction of force
Shows you strength of force
