What UNIT do we measure FORCES in?
NEWTONS!
A force is either a _______ or a _______.
Push or Pull
What equipment do we use to measure forces?
A FORCEMETER!
Which force is being used here?
PUSH
Which force is being used here?
PULL!
_______ is the force which makes things have weight. There is less ______ on the moon.
GRAVITY!
Which force do we use when we throw a ball?
PUSH
True or false? Forces can affect the speed of moving objects.
TRUE
Would a car travel faster or slower when driving in the sand?
SLOWER
Rub your hands together - this dragging feeling is called ________.
FRICTION
Give an example of the usefulness of friction.
Holding a glass, walking on rocks, etc.
True or False? Gravity is stronger on the Moon.
FALSE! Gravity is weaker on the Moon.
True or false? The heavier an object weighs, the more FORCE is needed to move it.
TRUE!
What happens to a toy car when you increase the pushing force?
It will go FASTER!
How can you change the direction of a moving object?
It must contact a DIFFERENT object!
What is friction?
Friction is a force between two objects that slide against each other.
