Gravity and Air Resistance Quick Check

Question

1 of 41 of 4 Items
Question
Which statement explains why astronauts appear to bounce when they are walking on the moon?(1 point)
Responses

The force of air resistance 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 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 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 gravity acting on the astronauts is stronger on the moon than on Earth.

Answer 1

The force of gravity acting on the astronauts is weaker on the moon than on Earth.

Answer 2

Gravity and Air Resistance Quick Check
2 of 42 of 4 Items
Question
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 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 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 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 air resistance acts more strongly on the nickel than on the sheet of paper.
The force of air resistance acts more strongly on the nickel than on the sheet of paper.
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Answer 3

The force of air resistance acts more strongly on the sheet of paper than on the nickel.

Answer 4

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 spread their bodies to slow their acceleration.
They can spread their bodies 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 slow their acceleration.

They can form their bodies into a ball to decrease the strength of gravity.

Answer 5

They can form their bodies into a ball to slow their acceleration.