QUIZ #5 Write True if the statement is true and changed the underlined word/words if the statement is false. Write your answer on the space provided,

1.Pulley is used to lift heavy objects in constructions site.

2.Wheel and axle are used as car

3.It is important to use water in cleaning tools to avoid rust

4.when cutting or peeling things with a knife, keep the sharp edge pointed towards you

5.A fixed pulley is a type of pulley that stays in one position is the wheel spins

Help me pls i really need it​

What mass will a pumpkin have a force of 450 newton’s accelerates it to 110 m/s^2? include the correct units.

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.

4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.