Balance forces are two forces acting in opposite directions on an object, and equal in size. Anytime there is a balanced force on an abject, the object stays still or continues moving continues to move at the same speed and in the same direction.
Syphilis is a sexually transmitted disease (STD) that is found around the world. In the United States it is more widespread in parts of the south. What causes syphilis? Syphilis is caused by bacteria (Treponema pallidum) that enter through your skin, mouth, or anus.
Syphilis is transmitted from person to person by direct contact with a syphilitic sore, known as a chancre. Chancres can occur on or around the external genitals, in the vagina, around the anus , or in the rectum, or in or around the mouth. Transmission of syphilis can occur during vaginal, anal, or oral sex.