Hello i have a question when the speed of an object increases the force of gravity increases correct me if i’m wrong

State the right hand rule of the direction of magnetic field in a conductor carrying current

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?