Why is the work output of any real machine less than the work needed to operate it?

work is gained due to friction

work is lost due to friction

friction reduces the work input

When an orange rolls of a table, its potential energy is converted into? A) Kinetic Energy B) Potential Energy C) Thermal Energy D) Electrical Energy

What is resistivity

the physics concept corresponding to oomph is momentum. building on your above answers, figure out a formula for momentum (oomph) in terms of mass and velocity. explain how the formula expresses your intuitions from parts A and B above.

Is the study of muscle movements in the human body an example of biology

What is the form of energy that is produced in all energy transformations?

Manuel is holding a 5kg box how much force is he exerting on it

The object on the left is a discus, a piece of sports equipment made of a metal core, a plastic inner rim, and a metal outer rim. The object on the right is a flying disc, a piece of sports equipment made of plastic.

If you are sitting in your seat how are the forces acting on you?

At what speed does a falling hailstone travel? Does the speed depend on the distance that the hailstone falls?

The linear, step wise representation of the process of science from the traditional scientific method, while simplified, does capture the core logic of science: testing ideas with evidence. 1.) True 2.) False