Read the selection from the section "1. you get weaker."
weight is caused by gravity, which is a pulling force. on earth, gravity pulls objects toward the center of earth. this is what makes objects fall. but in space, there is no gravity. without gravity, our bodies don't move like we do on earth, so people in space lose muscle strength.
what is the most accurate explanation of this paragraph?

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance