A lever can lift 65 N easily. How would you change the lever so that it can lift 150 N? You would increase mechanical advantage by

Sometimes the north and south poles of atoms in a material will line up. What is the term for the region where this occurs? 1. a domain 2. ferromagnetic 3. magnetic field 4. magnetic pole

What is the net force and acceleration of a ball of mass 0.750 kilograms that is subjected to forces of 11.00 newtons and 7.00 newtons from opposite directions?

What is so remarkable about the migratory monarch butterflies?

In a "worst-case" design scenario, a 2000-kg elevator with broken cables is falling at 4.00 m/s when it first contacts a cushioning spring at the bottom of the shaft. The spring is supposed to stop the elevator, compressing 2.00 m as it does so.

The oceans level is currently rising at about 2 mm per year at this rate in how many years will sea level be 3 m higher than now answer in units of wine

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.

Give one reason why the density of iron is higher than the density of oxygen

In which region of the periodic table do the elements NOT normally react chemically with other elements? A. metals B. metalloids C. nonmetals D. noble gases