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Worksheetsforces mid term
Total questions: 90
Worksheet time: 2hrs 43mins
It is easy to slide across ice because ice produces little...
force
magnetic attraction
friction
volume
A push or pull that can change an object's motion is a(n)...
pitch
vibration
friction
force
An applied force causes an object to move
in the same direction
in the opposite direction as the force
perpendicular to the direction of the force
back and forth across the direction of the force
What is an applied force?
A force exerted by magnets only
A force that opposes motion
A force that is applied by one object unto another object
An attraction between two objects
An applied force can cause an object to slow down.
True
False
An object that is being pushed will go the same direction as when it is pulled.
True
False
A ___________ is applying a force that causes the object to move away from the object or person that is pushing.
push
pull
A _________ is applying a force that causes the object to move towards the object or person that is pulling.
push
pull
________________ is a force that opposes motion. It works in the opposite direction of a moving object.
Gravity
Magnetism
Friction
Normal Force
Friction is a force that causes moving objects to ____________.
change direction
accelerate
move at a steady pace
slow down
_____________________ is a type of drag. It is like “air friction.”
Air Resistance
Gravity
Electricity
Normal Force
Magnetism
Air resistance ______________ falling objects and other objects moving through the air, like planes and cars.
balances
accelerates
slows down
changes the direction
Air resistance depends on the mass of an object.
True
False
A fast-moving object experiences ______________ air resistance than a slow-moving object.
less
more
An object shaped and orientated so it has more surface area in contact with air experiences _____________ air resistance.
less
more
Unit of force is _____
Newton
Joule
Watt
Amphere
Why do astronauts bounce so high on the moon?
The moon has more gravity
The moon has no gravity
The moon has less gravity
In the force diagram this arrow indicates ___.
Normal Force
Friction
Gravity
Force
Which type of force is this?
Applied Force
Balanced Force
Gravitational Force
Frictional Force
___ is the force which attracts or pulls all objects towards the Earth.
Normal Force
Gravity
Applied Force
Frictional Force
A(n) ___________________ is a force applied by a person or object onto another object.
normal force
applied force
electric force
magnetic force
static force
(a) is a natural satellite of the Earth.
The closer the objects are the (a) the force of gravity between them.
Our Earth is also a Satellite. Ture or False?
TURE
FALSE
A machine that orbits in space
Industry
Satellite
The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:
normal force
abnormal force
static force
inertia
A(n) ___________________ is a force applied by a person or object onto another object.
normal force
applied force
electric force
magnetic force
static force
Our weight is the result of
magnets
the moon
gravitational pull
mass
What are the types of satellites?
artificial & homemade
natural & organic
natural & artificial
The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:
normal force
abnormal force
static force
inertia
(a) pulls the satellite towards the centre of the Earth.
Artificial satellites are launched into space on rockets.
True
False
___ is the force which attracts or pulls all objects towards the Earth.
Normal Force
Gravity
Applied Force
Frictional Force
Why does the picture show you an applied force?
The girl moved the trolley by pulling it
The girl moved the trolley by pushing it
The girl do not move the trolley
The trolley have wheels to move forward and backward
What is the type of force that both the ground and the wall exerts on the sitting man?
Friction
Gravity
Applied Force
Normal Force
Consider this situation: A child slides down a slide. Which of these forces act upon the child?
Normal Force
Weight Force
Applied Force
Friction Force
Tension Force
The box in the picture begins motionless, and then both forces are applied at the same time. Describe the resulting motion of the box
The box will not move.
The box will move to the left.
The box will move to the right.
The box will move to the left and then the right.
Francis and Pedro are riding bicycles side by side. Pedro passes Francis. What caused Pedro’s bicycle to go faster?
The wind started blowing.
Pedro pushed harder on the pedals.
Pedro and Francis were going downhill.
Pedro’s bicycle weighed less than the Francis’s bicycle.
A submarine is moving forward slowly in the water. When it increases thrust, it will
go faster.
slow down.
save fuel.
overcome gravity
A student wanted to see how his toy car would roll on different types of flooring. He decided to roll the car on a tile floor, a wood floor, and a carpeted floor.
His experiment was designed to test the effects of which of the following forces?
Gravity
Gravity and Magnetism
Magnetism and Friction
Friction
A teacher attaches pictures to the dry-erase board using tape during a sorting activity. The next day, one of the pictures was found on the ground.
Which force acted upon the picture causing it to fall?
Friction
Magnetism
Gravity
Evaporation
Which force most likely explains why skates roll differently on surfaces such as wood, cement, rubber, or carpet?
Magnetism
Gravity
Pulling
Friction
How will this object move?
It will not move
It will move in both directions
It will move to the right
It will move to the left
What is net force?
(a)
If an object is not moving the forces acting upon it are (a)
What is the sum of all forces acting on an object?
Unbalanced force
Net force
Friction
Balanced force
Why is it harder for the boy in Image B to get down the hill?
Motion
Friction
Work
Displacement
A
B
C
D
(9) When an airplane is taking off, the major forces being used are __________.
Drag & lift
Lift & thrust
Weight & drag
Thrust & weight
(12) The Sun’s gravity pulls ___________ into orbit.
Stars
Galaxies
Earth
Comets
(14) Which material, when placed under a book, would best prevent the book from sliding off a table that is raised on an incline?
Glass plate
Silver tray
Poster board
Rubber mat
Earth has __________ moon (s).
1
2
3
4
Which of the following has the strongest gravitational pull?
Sun
Moon
Mars
Earth
How much gravity an object has depends on its ___________.
Weight
Mass
Speed
Acceleration
When will gravity be the strongest?
The closer you are to an object.
The further away you are to an object.
True or False: Gravity helps the Earth to stay in orbit around the Sun.
True
False
Why does a feather fall at a different rate than a ball?
gravity
air resistance
weight
pressure
A force of attractions between two objects.
Air Resistance
Gravity
Acceleration
Velocity
A person throws an object up into the air. This objects falls right back down to the ground. The type of force that has caused this to occur is __________________.
Air Resistance
Gravity
Friction
Magnetic Force
The force that pulls or holds objects together is ________.
Mass
Orbit
Galaxy
Gravity
Gravity pulls things down at the same speed.
True
False
The further you are away from earth, the less gravity pulls you.
True
False
Choose all the the following that are types of forces...
gravity
friction
motion
acceleration
The type of force that opposes motion
gravity
friction
motion
acceleration
This photo represents...
Air resistance
water resistance
friction force between 2 solid bodies
Where would you weight the most?
Mars
Pluto
The Sun
Earth
Why do astronauts bounce so high on the moon?
The moon has more gravity
The moon has no gravity
The moon has less gravity
Earth's gravity pulls everything toward:
North
South
East
The center of the earth
Which force is primarily responsible for the motion of a rocket as it launches into space?
Thrust
Gravity
Normal Force
Friction
the satellite launches in space by
rocket
car
ship
bus
drag force is
gravity
air resistance and water resistance
normal force
upthrust force is
water resistance
a force between two surface that trying to slide past each other
slow things down
the force that push things up in water
friction is
push or pull
a force between two surface that trying to slide past each other
streamlined
streamlined is
air resistance to slow down the motion
a smooth shape to reduce air resistance or water resistance
a friction
a force
as larger surface area of parachute ,.....................
the person will fall more slowly
the person will fall more quickly
nothing will change
