Explanation of how Newton’s law applies to A Pulley (Keywords to use: Equal force, Opposite, Force, Reaction, Movement)

After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Which of the following is another term for a planned economy