(c) Due to up thrust (d) Due to liquid pressure
B. Answer the following questions.
1. State Pascal's law. Write any two applications of Pascal's law.
2. What is hydraulic lift?
3.
4.
How does hydraulic press work? Write any two uses of hydraulic
press.
We experience nose bleeding while trekking to high altitud
why?
What is up thrust? What is the relation between density
liquid and it's up thrust?
The pieces of ice float on water. Give reason.
5.
6.
7
Why is it easier to swim in sea than in a nondor river?

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.