Terminal Velocity Flashcards
If the resultant force is high the acceleration is ______ .
If the resultant force is high the acceleration is high.
When a car first drives off, the _______ and ____ ___________ are very ____.
When a car first drives off, the friction and air resistance are very low.
When forces are _____________ it has reached it’s ___________ speed. _________ ________.
When forces are balanced it has reached it’s maximum speed. Terminal velocity.
What will cut down air resistance ?
Streamline shape
Terminal velocity can be affected by ________ and _____.
Terminal velocity can b affected by weight and area. P
Forces can make objects turn if there is a ______.
Forces can make objects turn if there is a pivot.
Gravity = ?
Gravity = 10
The point in the body that the force acts on is know as the ________ ____ __________ of the body.
The point in the body that the force acts on is know as the centre of gravity of the body.
A force can change the _______ of an object by _________ force or a _________ force.
A force can change the shape of an object by pushing force or a pulling force.
The extensions of a ________ is directly ____________ to the force used to _________the spring.
The extensions of a spring is directly proportional to the force used to stretch the spring.
( ) Which forces acting on parachuter
( )
\ / /\
O |
/|\
/\ |
\/( )
( )
\ / /\ Resistance
O |
/|\
/\ | Weight
\/What is free fall?
When an object is falling with no driving force acting on it.
Objects with a smaller weight and larger surface area have …
A smaller terminal velocity and so takes longer to fall long distances
