The weight of a body will be zero during free fall. Why?

Answers

Answer 1

Answer:

Answer:

The apparent weight of a freely falling body is zero. When a body falls freely, it is falling with an acceleration =g. Thus the entire gravitational force acting on it is utilized in accelerating it and hence its weight is not felt.

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____________ occurs when an energy source transfers heat directly to another object through space; an example would be an object becoming warm by sitting in the sunshine. a. conduction
c. convection
b. radiation
d. heat

Answers

the answer is Radiation

Answer:

B or the second option (Radiation) for Edg 2020

Explanation:

Martha and Mary are trying to move an old toy Barbie Jeep that is broken up a hill. Martha is applying 35 N of force and Mary is applying 20 N of force. What is the net. force being applied to the box and is it balanced or unbalanced

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Answer: Net Force is 15 N towards Martha

Its an unbalanced force

Explanation:

Bees obtain food they need from flowers. The flowers benefit by having their pollen dispersed by the bees as they travel from flower to flower. What type of symbiotic relationship is this?

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the type of symbioric relationship that both the flower that the bees ins is : Mutualism In mutualism relationship, both organims from the relationship benefit from each other. In this case, the bees benefited by getting their source of food from the flowers, and the flowers benefited by the bees helping them to started their reproductive process

Answer:

B - Mutualism

Explanation:

Just took the test Edge 2020

If the mass of one object is tripled, and the distance between them is doubled, how does the force of gravity change?a. force is multiplied by 4
b. Force is divided 3
c. Force is multiplied 3/4
d. Force is divided 3/4

Answers

Force between two object is given by F = Gm1m2/r^2
If the mass of one object is tripled, and the distance between them is doubled,
then F(new) = Gm13m2/(2r)^2 = 3Gm1m2/4r^2 = 3/4 x Gm1m2/r^2 = 3/4 x F
i.e. F(new) = 3/4 multiplied by F.
Therefore, Force is multiplied by 3/4.

A mineral sample has a mass of 4.2 grams and a volume of 2 milliliters. What is the density of the mineral

Answers

what value does the 4 represent in the number 487.009

On Planet X, an astronaut has maximum walking speed of 1.9 m/s. The astronaut's legs are each 1.3 m long. What is the constant of acceleration due to gravity on Planet X?A. 8.3 m/s2
B. 2.8 m/s2
C. 3.8 m/s2
D. 1.1 m/s2