What are the two factors that affect the frictional force between two surfaces?

Why wheat flour is usually passed near a magnet before being packed?

How do conditions change as the depth of the water increases

Two objects with masses m1 and m2 are located a distance d apart. If their masses are each doubled and the separation between them is reduced to d/2, by what factor does the gravitational force between them change?

Name on contact force and one field force acting on you right now

Examine the layers of rock. Identify and explain which layer contains the youngest fossils.

A series of steps that allows someone to conduct an experiment are called a

A coach is hitting pop flies to the outfielders. if the baseball (m = 145 g) stays in contact with the bat for 0.04 s and leaves the bat with a speed of 50 m/s, what is the average force acting on the ball?

The two major ways to transfer charge between two objects are

When a wire loop is connected to a battery, what is produced in the loop?

A solid sphere of radius R has a total charge Q distributed evenly throughout its volume. What fraction of the total charge is located inside a radius R/2?