01. Acceleration due to Gravity
Gravitation

138290 The weight of a body at the surface of earth is $18 \mathrm{~N}$. The weight of the body at an altitude of $3200 \mathrm{~km}$ above the earth's surface is (given, radius of earth $R_{e}=6400 \mathrm{~km}$ )

1 $19.6 \mathrm{~N}$
2 $9.8 \mathrm{~N}$
3 $4.9 \mathrm{~N}$
4 $8 \mathrm{~N}$
Gravitation

138292 T is the time period of simple pendulum on the earth's surface. Its time period becomes $x \mathbf{T}$ when taken to a height $R$ (equal to earth's radius) above the earth's surface. Then, the value of $x$ will be

1 $\frac{1}{4}$
2 4
3 $\frac{1}{2}$
4 2
Gravitation

138293 At a certain depth " $d$ " below surface of earth, value of acceleration due to gravity becomes four times that of its value at a height $3 R$ above earth surface. Where $R$ is Radius of earth (Take $R=6400 \mathrm{Km}$ ). The depth $d$ is equal to

1 $4800 \mathrm{~km}$
2 $640 \mathrm{~km}$
3 $2560 \mathrm{~km}$
4 $5260 \mathrm{~km}$
Gravitation

138294 Two planets $A$ and $B$ have the same average density. Their radii $R_{A}$ and $R_{B}$ are such that $R_{A}: R_{B}=3: 1$. If $g_{A}$ and $g_{B}$ are the acceleration due to gravity at the surfaces of the planets, the $g_{A}: g_{B}$ equals

1 $3: 1$
2 $1: 3$
3 $9: 1$
4 $1: 9$
5 $\sqrt{3}: 1$
Gravitation

138295 A uniform rod of length of $1 \mathrm{~m}$ and mass of 2 $\mathrm{kg}$ is attached to a side support at $\mathrm{O}$ as shown in the figure. The rod is at equilibrium due to upward force $T$ acting at $P$. Assume the acceleration due to gravity as $10 \mathrm{~m} / \mathrm{s}^{2}$. The value of $T$ is

1 0
2 $2 \mathrm{~N}$
3 $5 \mathrm{~N}$
4 $10 \mathrm{~N}$
5 $20 \mathrm{~N}$
Gravitation

138290 The weight of a body at the surface of earth is $18 \mathrm{~N}$. The weight of the body at an altitude of $3200 \mathrm{~km}$ above the earth's surface is (given, radius of earth $R_{e}=6400 \mathrm{~km}$ )

1 $19.6 \mathrm{~N}$
2 $9.8 \mathrm{~N}$
3 $4.9 \mathrm{~N}$
4 $8 \mathrm{~N}$
Gravitation

138292 T is the time period of simple pendulum on the earth's surface. Its time period becomes $x \mathbf{T}$ when taken to a height $R$ (equal to earth's radius) above the earth's surface. Then, the value of $x$ will be

1 $\frac{1}{4}$
2 4
3 $\frac{1}{2}$
4 2
Gravitation

138293 At a certain depth " $d$ " below surface of earth, value of acceleration due to gravity becomes four times that of its value at a height $3 R$ above earth surface. Where $R$ is Radius of earth (Take $R=6400 \mathrm{Km}$ ). The depth $d$ is equal to

1 $4800 \mathrm{~km}$
2 $640 \mathrm{~km}$
3 $2560 \mathrm{~km}$
4 $5260 \mathrm{~km}$
Gravitation

138294 Two planets $A$ and $B$ have the same average density. Their radii $R_{A}$ and $R_{B}$ are such that $R_{A}: R_{B}=3: 1$. If $g_{A}$ and $g_{B}$ are the acceleration due to gravity at the surfaces of the planets, the $g_{A}: g_{B}$ equals

1 $3: 1$
2 $1: 3$
3 $9: 1$
4 $1: 9$
5 $\sqrt{3}: 1$
Gravitation

138295 A uniform rod of length of $1 \mathrm{~m}$ and mass of 2 $\mathrm{kg}$ is attached to a side support at $\mathrm{O}$ as shown in the figure. The rod is at equilibrium due to upward force $T$ acting at $P$. Assume the acceleration due to gravity as $10 \mathrm{~m} / \mathrm{s}^{2}$. The value of $T$ is

1 0
2 $2 \mathrm{~N}$
3 $5 \mathrm{~N}$
4 $10 \mathrm{~N}$
5 $20 \mathrm{~N}$
Gravitation

138290 The weight of a body at the surface of earth is $18 \mathrm{~N}$. The weight of the body at an altitude of $3200 \mathrm{~km}$ above the earth's surface is (given, radius of earth $R_{e}=6400 \mathrm{~km}$ )

1 $19.6 \mathrm{~N}$
2 $9.8 \mathrm{~N}$
3 $4.9 \mathrm{~N}$
4 $8 \mathrm{~N}$
Gravitation

138292 T is the time period of simple pendulum on the earth's surface. Its time period becomes $x \mathbf{T}$ when taken to a height $R$ (equal to earth's radius) above the earth's surface. Then, the value of $x$ will be

1 $\frac{1}{4}$
2 4
3 $\frac{1}{2}$
4 2
Gravitation

138293 At a certain depth " $d$ " below surface of earth, value of acceleration due to gravity becomes four times that of its value at a height $3 R$ above earth surface. Where $R$ is Radius of earth (Take $R=6400 \mathrm{Km}$ ). The depth $d$ is equal to

1 $4800 \mathrm{~km}$
2 $640 \mathrm{~km}$
3 $2560 \mathrm{~km}$
4 $5260 \mathrm{~km}$
Gravitation

138294 Two planets $A$ and $B$ have the same average density. Their radii $R_{A}$ and $R_{B}$ are such that $R_{A}: R_{B}=3: 1$. If $g_{A}$ and $g_{B}$ are the acceleration due to gravity at the surfaces of the planets, the $g_{A}: g_{B}$ equals

1 $3: 1$
2 $1: 3$
3 $9: 1$
4 $1: 9$
5 $\sqrt{3}: 1$
Gravitation

138295 A uniform rod of length of $1 \mathrm{~m}$ and mass of 2 $\mathrm{kg}$ is attached to a side support at $\mathrm{O}$ as shown in the figure. The rod is at equilibrium due to upward force $T$ acting at $P$. Assume the acceleration due to gravity as $10 \mathrm{~m} / \mathrm{s}^{2}$. The value of $T$ is

1 0
2 $2 \mathrm{~N}$
3 $5 \mathrm{~N}$
4 $10 \mathrm{~N}$
5 $20 \mathrm{~N}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Gravitation

138290 The weight of a body at the surface of earth is $18 \mathrm{~N}$. The weight of the body at an altitude of $3200 \mathrm{~km}$ above the earth's surface is (given, radius of earth $R_{e}=6400 \mathrm{~km}$ )

1 $19.6 \mathrm{~N}$
2 $9.8 \mathrm{~N}$
3 $4.9 \mathrm{~N}$
4 $8 \mathrm{~N}$
Gravitation

138292 T is the time period of simple pendulum on the earth's surface. Its time period becomes $x \mathbf{T}$ when taken to a height $R$ (equal to earth's radius) above the earth's surface. Then, the value of $x$ will be

1 $\frac{1}{4}$
2 4
3 $\frac{1}{2}$
4 2
Gravitation

138293 At a certain depth " $d$ " below surface of earth, value of acceleration due to gravity becomes four times that of its value at a height $3 R$ above earth surface. Where $R$ is Radius of earth (Take $R=6400 \mathrm{Km}$ ). The depth $d$ is equal to

1 $4800 \mathrm{~km}$
2 $640 \mathrm{~km}$
3 $2560 \mathrm{~km}$
4 $5260 \mathrm{~km}$
Gravitation

138294 Two planets $A$ and $B$ have the same average density. Their radii $R_{A}$ and $R_{B}$ are such that $R_{A}: R_{B}=3: 1$. If $g_{A}$ and $g_{B}$ are the acceleration due to gravity at the surfaces of the planets, the $g_{A}: g_{B}$ equals

1 $3: 1$
2 $1: 3$
3 $9: 1$
4 $1: 9$
5 $\sqrt{3}: 1$
Gravitation

138295 A uniform rod of length of $1 \mathrm{~m}$ and mass of 2 $\mathrm{kg}$ is attached to a side support at $\mathrm{O}$ as shown in the figure. The rod is at equilibrium due to upward force $T$ acting at $P$. Assume the acceleration due to gravity as $10 \mathrm{~m} / \mathrm{s}^{2}$. The value of $T$ is

1 0
2 $2 \mathrm{~N}$
3 $5 \mathrm{~N}$
4 $10 \mathrm{~N}$
5 $20 \mathrm{~N}$
Gravitation

138290 The weight of a body at the surface of earth is $18 \mathrm{~N}$. The weight of the body at an altitude of $3200 \mathrm{~km}$ above the earth's surface is (given, radius of earth $R_{e}=6400 \mathrm{~km}$ )

1 $19.6 \mathrm{~N}$
2 $9.8 \mathrm{~N}$
3 $4.9 \mathrm{~N}$
4 $8 \mathrm{~N}$
Gravitation

138292 T is the time period of simple pendulum on the earth's surface. Its time period becomes $x \mathbf{T}$ when taken to a height $R$ (equal to earth's radius) above the earth's surface. Then, the value of $x$ will be

1 $\frac{1}{4}$
2 4
3 $\frac{1}{2}$
4 2
Gravitation

138293 At a certain depth " $d$ " below surface of earth, value of acceleration due to gravity becomes four times that of its value at a height $3 R$ above earth surface. Where $R$ is Radius of earth (Take $R=6400 \mathrm{Km}$ ). The depth $d$ is equal to

1 $4800 \mathrm{~km}$
2 $640 \mathrm{~km}$
3 $2560 \mathrm{~km}$
4 $5260 \mathrm{~km}$
Gravitation

138294 Two planets $A$ and $B$ have the same average density. Their radii $R_{A}$ and $R_{B}$ are such that $R_{A}: R_{B}=3: 1$. If $g_{A}$ and $g_{B}$ are the acceleration due to gravity at the surfaces of the planets, the $g_{A}: g_{B}$ equals

1 $3: 1$
2 $1: 3$
3 $9: 1$
4 $1: 9$
5 $\sqrt{3}: 1$
Gravitation

138295 A uniform rod of length of $1 \mathrm{~m}$ and mass of 2 $\mathrm{kg}$ is attached to a side support at $\mathrm{O}$ as shown in the figure. The rod is at equilibrium due to upward force $T$ acting at $P$. Assume the acceleration due to gravity as $10 \mathrm{~m} / \mathrm{s}^{2}$. The value of $T$ is

1 0
2 $2 \mathrm{~N}$
3 $5 \mathrm{~N}$
4 $10 \mathrm{~N}$
5 $20 \mathrm{~N}$