Show:
How is motion measured?
What affects motion?
How does gravity affect motion?
How does friction affect motion?
100
distance / time = ?
What is speed?
100
The tendency of objects to stay in motion or to stay still
What is inertia?
100
The force gravity exerts on an object's mass.
What is weight?
100
A force that affects inertia by slowing the movement of objects.
What is friction?
200
how fast you move and in what direction
What is velocity?
200
True or false: inertia cannot be overcome by force
What is false?
200
which would have the greatest attraction? 12345 3 and 5 or 1 and 5?
What is 3 and 5?
200
one way to reduce friction:
What is add wheels, add oil/grease?
300
Two ways to change velocity
What is change speed or change direction?
300
Forces work _____________________
What is in pairs?
300
which would have less attraction 12345 1 and 2 or 1 and 3
What is 1 and 3?
300
one way to increase friction:
What is add salt/sand, put on the breaks
400
Car's speedometer tells you...
What is how fast the car is going?
400
One force pushes to the left, the other force will push to the _______________.
What is right?
400
this would hit the ground first if dropped off a building at the same time: a wiffle ball or bowling ball
What is a bowling ball?
400
a snowboard works best on which of the following: pavement snow grass dirt
What is snow?
500
The difference between speed and velocity.
What is speed is measuring distance traveled in a certain time while velocity is measuring speed in a certain direction?
500
explain the forces that are working when jumping off a boogie board.
What is you are pushing back on the boogie board, while the boogie board is pushing forward on you?
500
this would hit the ground first if dropped off a building at the same time: tennis ball or golf ball
What is both?
500
people make airplanes streamlined because:
What is it reduces air resistance?