Which of the following is an example of an object that could have a net force greater than zero acting on it?
a. a glass resting on a table
b. a ball rolling down a ramp
c. a ladder leaning against a wall
d. a toy car moving east at a constant velocity

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.