Look at the diagram below of two students pulling a bag of volleyball equipment. the friction force between the bag and the floor is 4 n. what is the net force acting on the bag? what is the acceleration of the bag?

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i