A golfer starts with the club over her head and swings it to reach maximum speed as it contacts the ball. Halfway through her sw
ing, when the golf club is parallel to the ground, does the acceleration vector of the club head point straight down, parallel to the ground, approximately toward the golfer's shoulders, approximately toward the golfer's feet, or toward a point above the golfer's head?
A. Parallel to the ground, approximately toward the golfer's shouldersB. Straight downC. Approximately toward the golfer's feetD. Toward a point above the golfer's head
A. Parallel to the ground, approximately toward the golfer's shouldersB. Straight downC. Approximately toward the golfer's feetD. Toward a point above the golfer's head
1 answer:
Answer:
A. Parallel to the ground, approximately toward the golfer's shoulders
Explanation:
Elliptical path represent the motion of the golf club.
From the figure we have the motion of the club. So the acceleration provided will be centripetal acceleration so halfway through the swing the direction of acceleration will be towards the golfer's shoulder.
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Answer:
Check Explanation
Explanation:
The magnitude of the resultant for the vector subtraction will definitely be different from the magnitude of the resultant for the vector addition.
The attached image shows clearly that there will always be a difference between the two resultants. The magnitude of one will always be bigger than the other.
From the attached image,
- F₂ is a force vector in the direct opposite direction to F₂ (albeit, they have the same magnitude).
R₁ = F₁ + F₂
R₂ = F₁ - F₂
If the angle between the force vectors is an acute angle, the magnitude of the resultant for the vector subtraction will be greater than that of the resultant of vector addition.
