A measure of the quantity of matter is

a. density.

c. force.

b. weight.

d. mass.

If the pull force on a cardboard box is 700 N and the friction force on it is 215 N, what is the net force on the object?

What is kenetic energy of a 6 kg ball going 1.9m/s?

What does the diagram represent?

A 150 kg object and a 450 kg object are separated by 0.430 m. (a) find the net gravitational force exerted by these objects on a 39.0 kg object placed midway between them.

Generators use a magnetic field of which of the following to produce an electric current? temporary magnet magnetic properties magnetic domain permanent magnet

Since 1 pound = 4.45 newton, what is your earth weight in newtons?

A girl moves at 2m/s delivering newspapers. she throws a newspaper directly behind her at 2m/s. in the frame of reference of someone standing nearby what is the motion of the newspaper.

What forces are acting on matter through contact or no contact

Consider the following when writing your report: a) Start by making a rough plan for how you will solve the problem. In particular, divide the big problem into two or more smaller problems that each involves one basic physics idea.

Two children are bouncing small rubber balls. One child simply drops a ball. At the same time, the second child throws a ball downward so that it has an initial speed of 10 m/s. What is the acceleration of each ball while in motion?