Choose two forces and compare and contrast these forces. provide two ways that they are similar and two ways that they are different

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

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)