Question 1: When an object is moving in a circular path, what force acts on the object to keep it moving in a circle?
Question 2: In what year was the first iPhone released?
The first iPhone was introduced by Apple Inc.'s then-CEO Steve Jobs on January 9, 2007, and was released later that year on June 29. It was a revolutionary product that combined a phone, an iPod, and an internet communicator into one device.
Question 3: Which actor is known for portraying the character Captain Jack Sparrow in the "Pirates of the Caribbean" movie series?
Johnny Depp's portrayal of Captain Jack Sparrow is iconic and has been widely praised for its originality and humor. Depp's performance earned him an Academy Award nomination for Best Actor for the first film in the series.
Question 4: What year did the first human land on the moon?
On July 20, 1969, Apollo 11 astronauts Neil Armstrong and Buzz Aldrin became the first humans to land on the moon. Armstrong's famous first words upon stepping onto the lunar surface were "That's one small step for man, one giant leap for mankind."
Question 5: Where can you find the world's highest recorded temperature?
Death Valley in California holds the record for the highest air temperature ever recorded on Earth at 134°F (56.7°C) set on July 10, 1913. More recent high temperature claims elsewhere in the world, such as the 136°F (58°C) recorded in Libya in 1922, have been discredited by the World Meteorological Organization.
Question 6: When was the Melbourne Cup first held in Australia?
The Melbourne Cup is a prestigious annual horse racing event held in Australia. The first Melbourne Cup took place on November 7, 1861, and has since become a major sporting and cultural event in the country.
Question 7: The Potsdam Conference, held in 1945, was primarily attended by the leaders of which three countries?
The Potsdam Conference was attended by leaders of the United States (President Harry S. Truman), United Kingdom (Prime Ministers Winston Churchill and Clement Attlee), and the Soviet Union (General Secretary Joseph Stalin). At this conference held in the German city of Potsdam, major decisions affecting the post-World War II period were discussed and agreed upon.
Question 8: When was the first manned moon landing?
Apollo 11, carrying astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins, landed on the moon on July 20, 1969 marking the first manned moon landing. Neil Armstrong famously said "That's one small step for man, one giant leap for mankind" as he stepped onto the lunar surface.
Question 9: In which book does the character Atticus Finch appear?
Atticus Finch is a central character in Harper Lee's 1960 novel, To Kill a Mockingbird. Set in the 1930s, the story explores issues of racism and social injustice through the eyes of a young girl, Scout Finch.
Question 10: Where was the first atomic bomb dropped during World War II?
The first atomic bomb was dropped on Hiroshima, Japan, on August 6, 1945, by the United States. Three days later, a second bomb was dropped on Nagasaki. These bombings played a key role in Japan's surrender, ending World War II.
Centripetal force is always directed perpendicular to the motion of the body and toward the fixed point of the center of the curve. It causes an object to follow a curved path and is always directed orthogonal to the motion of the body and toward the fixed point of the center of the curve.