a person sits on a stool in science class. They weigh 145 pounds. What force does the stool excerpt on the person to prevent them from crushing the stool?

How to rearrange the formula f = ma and solve for m

mackinzie walks 4 blocks west, then 2 blocks south, then 4 blocks east, and, finally, 1 block south. what is the magnitude of her total displacement (in blocks) ?

Noah rides his bike 16 kilometers in 2 hours. What is his average speed? A) 8 miles per hour B) 8 kilometers per hour C) 32 meters per hour

Example of of how mass and energy apply to living systems

Tamika inflates and ties off a balloon in her classroom and then takes it outside on a cold, winter day. Immediately, she notices that the balloon has gotten a little bit smaller.

Using. 125 mass kgwhat is the velocity

How can you make gravity smaller and bigger

What is friction and explain

How does the velocity, the distance it has fallen and the acceleration of a free falling body change with time?

Woman pulls a 6.87 kg suitcase, initially at rest, with a 29.2 N force along the handle at 57.7º. Friction pulls back at 12.7 N, and the suitcase moves 5.93 m. What is its final speed? (Unit = m/s)