What is the force that opposes motion and can be found anytime two surfaces are in contact?

friction

momentum

net force

spring forces

A long deep channel on the moon is called a

Which of the following best describes a vector? a measurement in several dimensions that involves only one number a measurement in a single dimension that involves only one number a single measurement that easily scales from one dimension to another

The Zacchini family was renowned for their human - cannonball act in which a family member was shot from a cannon using either elastic bands or compressed air.

Jeffery gains super strength and pushes two different objects with the same amount of force. Object A accelerates at 40 m/s2, and object B accelerates at 2 m/s2. Which object has a higher mass?

Imagine standing on a bathroom scale and reading your weight. now lift one foot and read your weight again. does the scale read more, less or the same weight when you are standing on one foot?

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

What is the use of scientific knowledge and research for an action

How do evaporation and condensation relate to heat

Resistance = 0.1 ohm Current = 60 amps Voltage = ? 0.6 6 60 600

The velocity of a roller coaster as it moves down a hill is where v0 is the initial velocity and h is the vertical drop in feet. An engineer wants a new coaster to have a velocity of 90 feet per second when it reaches the bottom of the hill.