how old is gravity

Who was the first to suggest that all objects exert a force on each other, which we now call gravity?
a) Sir Isaac Newton
b) Bhaskaracharya
c) Albert Einstein
d) Edwin Hubble

• A

• B

• C

• D

What force did Sir Isaac Newton propose to explain the Moon's orbit around the Earth?
a) Magnetic Force
b) Centripetal Force
c) Gravitational Force
d) Electromagnetic Force

• A

• B

• C

• D

Which of the following is NOT true about Bhaskaracharya?
a) He was an Indian mathematician and astronomer.
b) He led an observatory in Ujjain.
c) He conducted experiments to test his ideas about gravity.
d) He realized that Earth attracts both small and large objects.

• a

• b

• c

• d

What did Newton's Law of Gravitation help predict?
a) The orbit of the Moon
b) The existence of Neptune
c) The shape of the Earth
d) The gravitational waves

• a

• b

• c

• d

What do scientists do to confirm their ideas about gravity?
a) Conduct interviews
b) Make predictions and compare them to observations
c) Use astrology to find patterns
d) Wait for evidence to appear randomly

• a

• b

• c

• d

Which scientist is known for building on Newton's work regarding gravity?
a) Bhaskaracharya
b) Galileo Galilei
c) Albert Einstein
d) Marie Curie

• a

• b

• c

• d

Why do scientists continue to study gravity even after Newton's Law of Gravitation?
a) To prove Newton wrong
b) Because there is more to learn and understand about gravity
c) To disprove Einstein's theories
d) To discover new planets only

• a

• b

• c

• d

What method did Bhaskaracharya use to come up with his explanation of gravity?
a) Observations of the world around him
b) Conducting lab experiments
c) Astrological predictions
d) Mathematical calculations

• a

• b

• c

• d

According to the text, how did Newton's work contribute to scientific progress?
a) It disproved the ideas of Bhaskaracharya
b) It was used to predict the existence of planets like Neptune
c) It stopped further studies on gravity
d) It led to the discovery of black holes

• a

• b

• c

• d

What is a modern application of our understanding of gravity mentioned in the text?
a) Constructing buildings
b) Calculating weather patterns
c) Sending satellites into space using gravitational forces
d) Designing computer algorithms

• a

• c

• c

• d