BMAT Exam > BMAT Questions > Choose the correctly matched pair:a)A fielder...
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Choose the correctly matched pair:
- a)A fielder catching a ball - Decreases time of impact
- b)High jump on cushioned bed - Increases time of fall
- c)Karate player breaking ice - Decreases force applied
- d)First law of motion - F = ma
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Choose the correctly matched pair:a)A fielder catching a ball - Decrea...
Option A: A fielder catching a ball - Decreases time of impact:
Incorrect: When a fielder catches a ball, he pulls his hands backward to increase the time of impact, which decreases the force exerted on his hands.
Incorrect: When a fielder catches a ball, he pulls his hands backward to increase the time of impact, which decreases the force exerted on his hands.
Option B: High jump on cushioned bed - Increases time of fall
Correct: In a high jump event, athletes fall on a cushioned bed or sand bed to increase the time it takes for them to come to a stop, thereby decreasing the force of impact.
Correct: In a high jump event, athletes fall on a cushioned bed or sand bed to increase the time it takes for them to come to a stop, thereby decreasing the force of impact.
Option C: Karate player breaking ice - Decreases force applied
Incorrect: A karate player breaks a slab of ice with a single blow by applying a large force over a very short period of time.
Incorrect: A karate player breaks a slab of ice with a single blow by applying a large force over a very short period of time.
Option D: First law of motion - F = ma
Incorrect: The first law of motion states that an object will remain at rest or in uniform motion unless acted upon by an external force. The equation F = ma is Newton's second law of motion.
Incorrect: The first law of motion states that an object will remain at rest or in uniform motion unless acted upon by an external force. The equation F = ma is Newton's second law of motion.
Thus, the correctly matched pair is Option B: (b) High jump on cushioned bed - Increases time of fall.
Most Upvoted Answer
Choose the correctly matched pair:a)A fielder catching a ball - Decrea...
Understanding the Correct Answer: High Jump on Cushioned Bed
The correct answer is option 'B' - High jump on cushioned bed - Increases time of fall. Let’s break this down for clarity.
What Happens During a High Jump?
- When an athlete performs a high jump, they propel themselves upwards.
- Upon reaching the peak of their jump, they begin to fall back down.
Impact of Cushioned Surface
- Landing on a cushioned bed significantly alters the dynamics of the fall.
- A cushioned surface increases the time taken to come to a complete stop when the athlete lands.
Physics Behind Time of Fall
- According to the impulse-momentum theorem, when the time of impact is increased, the force experienced during landing is reduced.
- This is because force is the change in momentum over time (F = Δp/Δt). By extending Δt (time), the force (F) decreases.
Benefits of Increasing Time of Fall
- Reduces the risk of injury by allowing the body to decelerate gradually.
- Enhances comfort and safety during landings, especially in sports where falls are common.
Conclusion
- Thus, landing on a cushioned bed effectively increases the time of fall, making option 'B' the correct choice.
- Understanding these principles is essential in sports science and biomechanics for improving performance and safety.
The correct answer is option 'B' - High jump on cushioned bed - Increases time of fall. Let’s break this down for clarity.
What Happens During a High Jump?
- When an athlete performs a high jump, they propel themselves upwards.
- Upon reaching the peak of their jump, they begin to fall back down.
Impact of Cushioned Surface
- Landing on a cushioned bed significantly alters the dynamics of the fall.
- A cushioned surface increases the time taken to come to a complete stop when the athlete lands.
Physics Behind Time of Fall
- According to the impulse-momentum theorem, when the time of impact is increased, the force experienced during landing is reduced.
- This is because force is the change in momentum over time (F = Δp/Δt). By extending Δt (time), the force (F) decreases.
Benefits of Increasing Time of Fall
- Reduces the risk of injury by allowing the body to decelerate gradually.
- Enhances comfort and safety during landings, especially in sports where falls are common.
Conclusion
- Thus, landing on a cushioned bed effectively increases the time of fall, making option 'B' the correct choice.
- Understanding these principles is essential in sports science and biomechanics for improving performance and safety.
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Choose the correctly matched pair:a)A fielder catching a ball - Decreases time of impactb)High jump on cushioned bed - Increases time of fallc)Karate player breaking ice - Decreases force appliedd)First law of motion - F = maCorrect answer is option 'B'. Can you explain this answer? for BMAT 2025 is part of BMAT preparation. The Question and answers have been prepared according to the BMAT exam syllabus. Information about Choose the correctly matched pair:a)A fielder catching a ball - Decreases time of impactb)High jump on cushioned bed - Increases time of fallc)Karate player breaking ice - Decreases force appliedd)First law of motion - F = maCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for BMAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Choose the correctly matched pair:a)A fielder catching a ball - Decreases time of impactb)High jump on cushioned bed - Increases time of fallc)Karate player breaking ice - Decreases force appliedd)First law of motion - F = maCorrect answer is option 'B'. Can you explain this answer?.
Choose the correctly matched pair:a)A fielder catching a ball - Decreases time of impactb)High jump on cushioned bed - Increases time of fallc)Karate player breaking ice - Decreases force appliedd)First law of motion - F = maCorrect answer is option 'B'. Can you explain this answer? for BMAT 2025 is part of BMAT preparation. The Question and answers have been prepared according to the BMAT exam syllabus. Information about Choose the correctly matched pair:a)A fielder catching a ball - Decreases time of impactb)High jump on cushioned bed - Increases time of fallc)Karate player breaking ice - Decreases force appliedd)First law of motion - F = maCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for BMAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Choose the correctly matched pair:a)A fielder catching a ball - Decreases time of impactb)High jump on cushioned bed - Increases time of fallc)Karate player breaking ice - Decreases force appliedd)First law of motion - F = maCorrect answer is option 'B'. Can you explain this answer?.
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