For a given input force , a ramp increases which of the following? a) height b) output force c) output work d) efficiency

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. true or false

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine