science
Grade8
Easy
Question
A piece of paper and marble were dropped from the same height at the same time. The marble took less time than the paper. Which of the following is a reason for this?
- The piece of paper is lighter than the marble.
- The piece of paper is subjected to comparatively greater air resistance.
- The acceleration due to gravity for the paper is less than that of the marble.
- The velocity of the marble is greater than the paper right from the beginning.
Hint:
The piece of paper is subjected to comparatively greater air resistance.
The correct answer is: The piece of paper is subjected to comparatively greater air resistance.
Related Questions to study
science
A feather and marble were released from the second floor of a building. The marble hit the ground first and the feather later. The same feather and marble were released from an evacuated long glass tube. This time they hit the bottom of the tube at the same time. Which of the following is the reason for this?
A feather and marble were released from the second floor of a building. The marble hit the ground first and the feather later. The same feather and marble were released from an evacuated long glass tube. This time they hit the bottom of the tube at the same time. Which of the following is the reason for this?
scienceGrade8
science
Which of the following does not converge to the constancy of acceleration due to gravity on the Earth?
Which of the following does not converge to the constancy of acceleration due to gravity on the Earth?
scienceGrade8
science
The mass of an object is 60 kg on the Earth. What is its weight on the Moon?
The mass of an object is 60 kg on the Earth. What is its weight on the Moon?
scienceGrade8
science
The mass of a natural satellite is ¼ of the mass of the Earth, and its radius is 1/3 of the radius of the Earth. What will be the acceleration due to the gravity of an object falling freely on that natural satellite?
The mass of a natural satellite is ¼ of the mass of the Earth, and its radius is 1/3 of the radius of the Earth. What will be the acceleration due to the gravity of an object falling freely on that natural satellite?
scienceGrade8
science
A dresser weighs 1536 N on the Earth. Its weight on the Moon is ___?
A dresser weighs 1536 N on the Earth. Its weight on the Moon is ___?
scienceGrade8
science
Which of the following does not stay constant during a free fall?
Which of the following does not stay constant during a free fall?
scienceGrade8
science
What is the formula to calculate the acceleration due to gravity?
What is the formula to calculate the acceleration due to gravity?
scienceGrade8
science
A freely falling body has its acceleration ____ throughout its motion.
A freely falling body has its acceleration ____ throughout its motion.
scienceGrade8
science
A skydiver undergoing a free fall has its ___ throughout its motion.
A skydiver undergoing a free fall has its ___ throughout its motion.
scienceGrade8
science
The mass of an object on the Moon is ___ its mass on the Earth.
The mass of an object on the Moon is ___ its mass on the Earth.
scienceGrade8
science
The acceleration due to gravity of a freely falling object towards the Earth is independent of ___. (Neglect the air resistance)
The acceleration due to gravity of a freely falling object towards the Earth is independent of ___. (Neglect the air resistance)
scienceGrade8
science
Which of the following bodies are not under free fall. (Neglect the air resistance)
Which of the following bodies are not under free fall. (Neglect the air resistance)
scienceGrade8
science
The weight of an object on the Moon is approximately equal to ___ of the weight of the object on the Earth.
The weight of an object on the Moon is approximately equal to ___ of the weight of the object on the Earth.
scienceGrade8
science
Mass is a ___ quantity. Weight is a ___ quantity.
Mass is a ___ quantity. Weight is a ___ quantity.
scienceGrade8
science
Free fall is a/an ____ motion.
Free fall is a/an ____ motion.
scienceGrade8
