Which statement explains why astronauts appear to bounce when they are walking on the moon?(1 point)
Responses
The force of gravity acting on the astronauts is weaker on the moon than on Earth.
The force of gravity acting on the astronauts is weaker on the moon than on Earth.
The force of air resistance acting on the astronauts is weaker on the moon than on Earth.
The force of air resistance acting on the astronauts is weaker on the moon than on Earth.
The force of gravity acting on the astronauts is stronger on the moon than on Earth.
The force of gravity acting on the astronauts is stronger on the moon than on Earth.
The force of air resistance acting on the astronauts is stronger on the moon than on Earth.
The force of gravity acting on the astronauts is weaker on the moon than on Earth.
A nickel and a sheet of paper, which have approximately the same mass, are dropped at the same time from the same height. The nickel will reach the ground first. Which statement best explains this result?(1 point)
Responses
The force of air resistance acts more strongly on the sheet of paper than on the nickel.
The force of air resistance acts more strongly on the sheet of paper than on the nickel.
The force of gravity acts more strongly on the nickel than on the sheet of paper.
The force of gravity acts more strongly on the nickel than on the sheet of paper.
The force of gravity acts more strongly on the sheet of paper than on the nickel.
The force of gravity acts more strongly on the sheet of paper than on the nickel.
The force of air resistance acts more strongly on the nickel than on the sheet of paper.
The force of air resistance acts more strongly on the sheet of paper than on the nickel.
Question
Groups of skydivers need to navigate through the air during a jump to get into a formation. How can skydivers who are below the formation join the group?(1 point)
Responses
They can spread their bodies to decrease the strength of gravity.
They can spread their bodies to decrease the strength of gravity.
They can form their bodies into a ball to slow their acceleration.
They can form their bodies into a ball to slow their acceleration.
They can form their bodies into a ball to decrease the strength of gravity.
They can form their bodies into a ball to decrease the strength of gravity.
They can spread their bodies to slow their acceleration.
They can spread their bodies to slow their acceleration.
Which force acts on falling objects to oppose gravity?(1 point)
Responses
air resistance
air resistance
acceleration
acceleration
pull
pull
terminal velocity