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

friction

momentum

net force

spring forces

All matter has electrical and magnetic properties because the atoms that make up matter are held together by electromagnetic forces. What do we call this fundamental property?

One problem for humans living in outer space is that they are apparently weightless. One way around this problem is to design a space station that spins about its center at a constant rate.

What is the acceleration of the object?

Dwarf galaxies are generally only about one-fifth the size of the Andromeda galaxy. Question 1 options: True False

What is the magnitude of the speed of a person standing at the equator due to the rotational speed of Mars? (Assume a Mars day is the same length as an Earth day)

You push a friend sitting on a swing she has a mass of 50 kg and accelerates a rate of 4 m/s2 find the force you exerted

What must be true about tow objects if heat is flowing between them?

Will a 2 liter bottle of coke have a different density than a one liter bottle of coke?

A positive rod is placed to the left of sphere A, and the spheres are separated

Why do clothes often cling together after tumbling in a clothes dryer?