What type of friction acts on an object thats not moving?

1. Why does a neutral atom have no overall charge?

Identify which of the following objects has the most inertia: 3 g gumball; 2 kg tennis ball; 2 g ping pong ball; 5 kg basketball. Explain your answer.

Genetics is the most important factor that affects your physical fitness.

What category of the electromagnetic spectrum has a wavepength of 108m

The basic unit for mass is the a. gram. c. cubic meter. b. metric ton. d. meter.

How do we use light in space?

What units are used for gravitational potential energy? Write the name, not the symbol.

A 7.5 kg block is placed on a table. If it's bottom surface area is 0.6m2, how much pressure does the block exert on the tabletop? A. 376.5 Pa B. 73.5 Pa C. 226.5 Pa D. 122.5 Pa

A boulder of mass 2000 kg is at the top of a cliff of height 220 m. Determine how fast the boulder will be moving when it strikes the dirt below.

Which of the following statements are true? Check all that apply. O A positive charge and a negative charge attract each other. O Electric charge is conserved. O Two positive charges attract each other. O A neutral object contains no charge.