Question

hey guys i wanna quick solution with full explanation if dont know no need to answer ​

Answer 1

Answer:

Option (a) 200 J

Explanation:

Given:-

• Weight of body on 2nd floor = 10 N

• Height of each floor = 10 m

To Find:-

• Potential Energy ,PE

Solution:-

As we know that the acceleration due to gravity is 9.8m/s² ≈ 10m/s² .

Firstly we calculate the mass of the object .

• F = mg

• F denotes Force (Weight)
• g denote acceleration due to gravity
• m denote mass

Substitute the value we get

→ 10 = m × 10

→ m = 10/10

→ m = 1 kg

• Mass of the body is 1 kg

Now, Calculating the Potential Energy

• PE = mgh

where,

PE is Potential Energy

• m is the mass
• g is the acceleration due to gravity
• h is the height

Substitute the value we get

→ PE = 1 × 10 ×(2×10) as height of each floor is 10 m

→ PE = 10 × 20

→ PE = 200 J

• Hence, the potential energy is 200 Joules.

Answer 2

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As we know that the acceleration due to gravity is 9.8m/s² ≈ 10m/s² .

Firstly we calculate the mass of the object .

• F = mg

• F denotes Force (Weight)
• g denote acceleration due to gravity
• m denote mass

Substitute the value we get

→ 10 = m × 10

→ m = 10/10

→ m = 1 kg

Mass of the body is 1 kg

Now, Calculating the Potential Energy

• PE = mgh

where,

• PE is Potential Energy
• m is the mass
• g is the acceleration due to gravity
• h is the height

Substitute the value we get

→ PE = 1 × 10 ×(2×10) as height of each floor is 10 m

→ PE = 10 × 20

→ PE = 200 J

So, ans is option a)- 200joule.

#Ayush, hope ni bhuli ho.

Thanks..