Why are electromagnets used in metal scrap yards? They are temporary magnets, so they can be turned on and off.

They are temporary magnets, so eventually the metal just falls off.

They are weak permanent magnets.

They are very powerful permanent magnets.

Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

If the textbook weighs 19.6 newtons on venus, what is the strength of gravity on venus?