HOOKE'S LAW Introduction In physics, Hooke's Law is one of the fundamental principles governing how objects deform under external forces . Named after the 17th-century British physicist Robert Hooke, this law provides a crucial understanding of the behavior of elastic materials, such as springs and rubber bands. Whether stretching a rubber band or compressing a spring, Hooke's Law helps explain what happens when forces act on these materials. What is Hooke's Law: Hooke's Law states that the force F needed to extend or compress a spring by some distance x is proportional to that distance. Mathematically, it is expressed as: F= -kx Here k represents the spring constant, which is the measure of the stiffness of the spring, and x is the displacement from the displacement position. The negative sign indicates that the force exerted by the spring is in the opposite direction of the displacement. Understanding the Spring Constant: The spring constant k is a critical co
READING COMPREHENSION
Test One
Passage #01:
When used for studies of learning and memory, the octopus is more interesting subject than the squid. Unlike the free-swimming squid which relies exclusively on its eyes to guide it to tasty fish or crab, the octopus often feed off the bottom of the sea. It uses not only its eyes but also its tentacles to identify a likely meal. The brain of the octopus has two separate memory storage areas one for visual memory and one for tactile memory.
1. How does the squid find its food?
a. By sight
b. By touch only
c. Both a and b
d. None of these
2. According to the passage, which of the following can describe the octopus
a. Its brain is simpler than that of squid
b. It cannot touch and look at the same time
c. Its brain does not function very well
d. The memory of what it has seen and touched is contained in separate areas.
3. The passage is mainly about
a. A new way of feeding fish.
b. Biological Difference between two animals
c. How to go deep-sea Fishing
Passage#02:
Economic expansion continues to May. Government reports show gain in industrial production, personal income and housing starts. Housing construction however remains sluggish, mainly because the cost of new homes has risen much faster than average incomes, but housing starts do show a small increase over those of April.
4. The author’s claim concerning economic expansion seems to be based on
a. Government data in three areas.
b. Government budgetary reports
c. The author own research.
d. The author’s personal insight
5. According to the passage which of the following is true for housing starts.
a. They were same as in the previous months.
b. They were lower in May than in April.
c. They were slightly higher in May than April.
d. They were much higher in May than April.
Passage #03:
During the summer session there will be a revised schedule of services for the university community Specific changes for intercampus bus services, the cafeteria, and summer hours for the infirmary and recreational and athletic facilities will be posted on the bulletin board outside the cafeteria. Weekly movie and concert schedule, which are in the process of being arranged, will be posted each Wednesday outside the cafeteria.
Intercampus buses will leave the main hall every hour from all the regular stops on their route. The cafeteria will serve breakfast, lunch, and early dinner from 7a.m to 7p.m during the week and from noon to 7p.m on weekends. The library will maintain regular hours during the week, but shorter hours on Saturdays produced me and Sundays. The weekend hours are from noon to 7p.m.
All students who want to use the library borrowing services and the recreational, athletic, and entertainment facilities must have valid summer identification cards. This announcement will also appear in the next issue of the student newspaper.
6. Which of the following is the main purpose of this announcement?
a. To tell campus personnel of new library services
b. To tell the new movies in the campus this summer
c. To notify university people of important schedule changes.
d. To remind students to validate their Identification cards.
7. Specific schedule revision for which of the following facilities are listed in this announcement?
a. Athletic and recreational
b. Food and transportation
c. Bookstore and post office
d. Medical and Radio-visual
8. Time for concert and movies are not listed in the announcement because
a. A film or concert occur every Wednesday 7 p.m
b. The full list would be long
c. Film and concert can not be announced publically
d. The full list is not ready yet.
9. According to the announcement which of the following is true for special summer hours for the library.
a. It has them only on the weekends
b. It has them both Weekdays and weekends.
c. It has no special summer hours
d. This information is not available
10. According to the announcement a valid ID card is required to
a. Ride on intercampus bases
b. Read announcements on cafeteria
c. Make use of the infirmary
d. Check books out of the library
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