Now explore friction force. Set the piece of plastic or wood on the table and push it steadily across the tabletop using your fingertip. Note how much opposition to your push you feel. Repeat the steps, but this time push the piece of plastic or wood across a rug, carpet, or piece of fabric. If you’re using fabric, be sure to secure the fabric so it doesn’t move. How does the opposition to motion on the tabletop compare with that of the rug, carpet, or fabric?

The primary purpose of a certificate of confidentiality is to: allow law enforcement to investigate abuse cases.protect researchers from disclosing conflicts of interest.prevent subjects from knowing the purpose of a study.protect identifiable research information from compelled disclosure.

Most sociologists agree that: a. culture is central in shaping gender roles, but only in preliterate societies. b. biological factors have some influence, but cultural factors are more important determinants of gender roles. c. biological factors are influential in determining gender roles, but only in industrial or complex societies. d. biological factors only explain differences between men and women with regard to aggression and disease. e. there is no difference between the influences of culture or biology on the development of gender roles, as they are unpredictable.

Using your time line, your analysis of images from the library of congress’s website, and your textbook, write a letter of 3-5 paragraphs for a time capsule to be opened in 200 years that describes the characteristics of texas from the time of the civil war to the late 1800s. be sure to include information on texas’s government, economy, and people. be sure to use specific evidence to support your writing. cite your textbook using specific page numbers, as well as any images you describe. edit your work for proper grammar, punctuation, and spelling before submitting. hurry im short on time