Answer the following True/False questions:
1. Gravity is a force that can be changed. (Select ]
2. The bigger an object is, the smaller the force of gravity. [Select]
3. As one object gets closer to another object, the force of gravity will increase. (Select]
4. The Sun has a greater gravitational force than Jupiter. [Select]

Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

Asystematic approach to problem solving is called a (an)