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- Question
Rolling friction is caused by ____ from the following?
Options- A. Non-elastic effects
- B. Gravity
- C. Power dissipation
- D. Buoyancy
- Correct Answer
- Non-elastic effects
ExplanationRolling friction or rolling drag is the force resisting the motion when a body rolls on a surface. It is mainly caused by non-elastic effects, that is, not all the energy needed for deformation of the wheel, roadbed, etc... is recovered when the pressure is removed.
Another cause of rolling resistance lies in the slippage between the wheel and the surface, which dissipates energy.
- 1. Raman Megassesay award was established in honour of which of the following country's president ?
Options- A. Thailand
- B. Vietnam
- C. Indonesia
- D. Philippines Discuss
- 2. The goals of psychology are to
Options- A. describe the behavior
- B. control the behavior
- C. predict the behavior
- D. All of the above Discuss
- 3. Which one of the following factors contributes to hypertension?
Options- A. A vigorous exercise regimen
- B. A diet that lacks protein
- C. A high-fat diet
- D. A lack of sleep Discuss
- 4. Who were not confirmed with the India's highest civilian honour Bharat Ratna for 2018?
Options- A. Bhupen Hazarika
- B. Nanaji Deshmukh
- C. Pranab Mukherjee
- D. Kailash Satyarthi Discuss
- 5. What are proteins made from?
Options- A. Nucleotides
- B. Nucleic acids
- C. Aminoacids
- D. Ethylene Discuss
- 6. Who has chosen for the first "Bhagwan Mahavir Ahimsa Puraskar"?
Options- A. Subhash Chandra Bose
- B. Alluri Seetha Ramaraju
- C. Abhinandan Varthaman
- D. None of the above Discuss
- 7. Jnanpith Award is given for excellence in the field of
Options- A. Peace
- B. Bravery
- C. Literacy
- D. Sports Discuss
- 8. During the reign of which dynasty was the Great Wall of China constructed?
Options- A. Sung
- B. Tang
- C. Han
- D. Chin Discuss
- 9. The UNESCO literacy prize has been given to India for the third consecutive year in1992.The 1992 prize has been given to
Options- A. Kerala
- B. West Bengal
- C. Pondicherry
- D. Assam Discuss
- 10. Molten rock inside the earth is called
Options- A. Mantle
- B. Core
- C. Magma
- D. Lava Discuss
More questions
Correct Answer: Philippines
Correct Answer: All of the above
Explanation:
The main goals of psychology are four. They are::
1. To describe,
2. To explain,
3. To predict (and)
4. To control the behavior and mental processes of others.
Correct Answer: A high-fat diet
Explanation:
In the given options, a high-fat diet is the only factor that contributes to hypertension.
Correct Answer: Kailash Satyarthi
Correct Answer: Aminoacids
Explanation:
Proteins are made from chain of aminoacids.
Correct Answer: Abhinandan Varthaman
Explanation:
Abhinandan Varthaman who shot down the Pakistan's F-16 jet has chosen for the first "Bhagwan Mahavir Ahimsa Puraskar".
Correct Answer: Literacy
Explanation:
Jnanpith Award is given for excellence in the field of Literacy. It is presented by the Bharatiya Jnanpith.
Correct Answer: Chin
Correct Answer: Pondicherry
Correct Answer: Magma
Explanation:
Molten rock inside the earth is called Magma.
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