Forces
A force is a ______, ______, or a ______
Push Pull Twist
Is friction a contact or non-contact force?
Contact
The non-contact force that pulls things to the ground is called what?
Gravity
When did YouTube start?
2005
Difference between a contact and non contact force
Contact forces need objects to be touching
Forces that require the objects to be touching are called what?
Contact
This type of friction slows down something as it flies through the air
Air Resistance or Drag
Forces are measured using what units?
Newtons (N)
What year did Apollo 11 land on the moon?
1969
In force diagram what type of force is usually always present
Gravity
Two forces or the same size in opposite directions are called what?
Balanced
Which a rough or smooth surface have more friction?
Rough
This object is used to measure the strength of a force.
Spring Balance
What is Lady Gaga's real first name?
Stefani
If a train has 30N of force going to the right and 10N of resistance to the left what is the net force of the train?
20N to the right
Speed Direction Shape
Describe where friction is useful on a bike.
Brakes, tyres, seat
What will repel the north pole of a magnet?
Another north pole
Who are Wednesday Addams parents?
Gomez and Morticia
Name one example where friction can help us and another that doesn't?
eg. Ice skating helps, bike gears don't
Forces that don't require the objects to be touching are called what?
Non-contact
A person in freefall is moving at terminal velocity. Are forces balanced or unbalanced?
Balanced because the person is neither speeding up or slowing down.
The force that makes things float in water is called what?
Buoyancy
What is the name of the land in Frozen?
Arendelle
What is one way to revise for your exam
List, flash cards, reading your book