WorksheetsContact/Non Contact Forces and Gravity
Total questions: 15
Worksheet time: 8mins
What force will change the ball's direction at position 2 in the diagram?
friction
gravity
the student's push
magnetic force
When two opposite charges are brought near each other, they make a force field. What type of force do the arrows represent?
contact
non contact (forces at a distance)
gravity
friction
Leanna is pushing a dresser but it will not move. What force was she not able to overcome?
friction
magnetism
electrical
balanced
Which of the following shows a contact force?
a girl pulling a plug from the wall
a leaf falling to the ground due to gravity
a magnet pulling on a nail that is 2 cm away
paper pulled towards a comb because of static electricity
Mike rubbed a balloon on Chunky the cat's fur and stuck the balloon to the wall. What force held the balloon there?
gravity
friction
electrical (static electricity)
magnetic
When is the pull of gravity between the Earth and the moon going to be the strongest?
When they are closest together
When they are farthest apart
When it's a full moon
When the moon is over the United States
when would the gravity between two planets be the weakest?
when they are close together and have large masses
when they are farthest apart and have small masses
when they are very far apart and have huge masses
when they are close together and have tiny masses
Sarah is sitting on the ground. There is a 3 pound brick and a 5 pound brick that are two feet away. Which brick would have the strongest gravitational pull?
neither of them
both of them
the 3 pound one
the 5 pound one
Which type of force makes a compass work?
electrical
friction
normal
magnetic
Which trial to the left in the table would show the least amount of gravitational pull?
1
2
3
4
The sun is much more massive than the Earth. But raindrops will fall towards the Earth and not the sun. WHY???
the sun's gravity pushes them to Earth
the earth is moving and the sun isn't
The Sun is too far away to exert a gravitational force on something as small as a raindrop.
The distance to the Sun is so great that it exerts much less force on the raindrops than Earth.
The class has to push heavy metal boxes across the floor. Which of the following is NOT a way to reduce friction?
push the box on a smoother surface
take things out of the box to make it lighter
pull the box from the other side
add something slippery to the floor in front of the box
You push the north end of a magnet towards the south end of a magnet. What will happen?
nothing will happen
they will make a spark
they will attract each other
they will push each other apart
Which of the following is an example of a non contact or force that acts at a distance?
bat hitting a baseball
charge from static electricity
you pushing a shopping cart
friction of tires on the road
Newton came up with the law of gravity. Einstein found more information to make the law better. What does this say about the nature of science?
science is durable, but open to change
Once a scientific law is accepted, it becomes an absolute fact that cannot be challenged.
Early scientific theories are usually completely wrong and should be discarded.
A scientific theory is not valid until all possible evidence has been collected.
