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1 answer:
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Answer:
C
Mass is directly proportional to the Force of Gravity. If Mass increases, then the Force of Gravity increases; however, Distance is indirectly (or inversely) proportional to the Force of Gravity. If Distance increases, then the Force of Gravity decreases.
Explanation:
The formula for the force of gravity between two objects is
where
G is the gravitational constant
m1, m2 are the masses of the two objects
d is the separation between the two objects
We notice the following:
- F is directly proportional to the masses, . This means that if one of the masses increases, then the force between them, F, increases in a proportional way
- F is inversely proportional to the square of the distance, . This means that if the distance between the two objects is increased, the force between them will decrease, and vice-versa.
So, the correct answer is
C
Mass is directly proportional to the Force of Gravity. If Mass increases, then the Force of Gravity increases; however, Distance is indirectly (or inversely) proportional to the Force of Gravity. If Distance increases, then the Force of Gravity decreases.
Answer:
The total tension in the child's neck muscle, T = 56.51 N
Explanation:
Let m = mass of the child's neck
Radius of the curve, r = 2.40 m
The child's speed, v = 3.35 m/s
The tension force on the child's neck when he raises his head up off the floor,
The tension force on the child's neck when he raises his head from the wall of the slide,
Since he makes a circular turn in water, the radial acceleration can be given by the equation:
The total tension in the child's neck muscle till be calculated as: