.
Boat A traveled faster than Boat B.
Boat B traveled faster than Boat A.
Boat A traveled for a longer time than Boat B.
Boat B traveled for a longer time than Boat A.
The robot was moving away from the starting point.
The robot was moving toward the starting point.
The robot was stopped in one place away from the starting point.
The robot was moving back and forth around the starting point.
The effect of gravity increased when one side was pushed down.
The friction between the two sides decreased because of the push.
The total force increased on the side that was pushed down.
The push on one side of the seesaw decreased the force on the other side.
the amount of frictional force acting on the block
The amount of gravitational force acting on the block
the amount of frictional force acting on the ramp
The amount of gravitational force acting on the ramp
20 seconds
50 seconds
100 seconds
200 seconds
The car has more mass when it is on the carpeted floor.
The carpet creates more friction than the other surfaces.
The car is affected most by gravity on the carpeted floor.
The carpet pushes more against the car than the other surfaces.
125 meters
200 meters
425 meters
500 meters
Golf ball
tennis ball
Soccer ball
basketball
1
2
3
4
inertia
gravity
Magnetism
Solar energy