You work for a moving company and have to pick up some furniture. you quickly find out that chairs made from solid wood are much harder to pick up than plastic chairs. why is this?

A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?

In an experiment, how can i change human errors? be specific.

Explain what happens at the saturation point when adding salt to water at room temperature.