Emilia’s car is placed at the top of the ramp. She releases the car and it rolls to Stop A. What could Emilia do to help the car move farther?
Add mass to the car
Remove mass from the car
Clap for the car.
Paint the car.
Which student’s car will stop at Stop D?
Emilia’s car (10 grams)
Jaime’s car (14 grams)
Lena’s car (16 grams)
Ethan’s car (20 grams)
Which of the cars from the previous question will stop at Stop B?
What best describes the direction of Earth’s gravitational force?
It pulls objects closer together.
It keeps objects from getting too close.
It pulls objects closer to Earth.
It pulls objects away from the air.
Which of the following will have the least effect on the motion of a ball?
the mass of the ball
the direction of the force
the strength of the force
the weather conditions
