A piece of wood is held under water. The upthrust on it will be: (1) equal to the weight of the wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

A piece of wood is held under water. The upthrust on it will be: (1) equal to the weight of the wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero
by

1 Answer

Answer :

less than weight of the wood
by

Related questions

A piece of wood is held under water. The up thrust on it will be: (1) equal to the weight of the Wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Description : A piece of wood is held under water. The up thrust on it will be: (1) equal to the weight of the Wood (2) less than weight of the wood (3) more than weight of the wood (4) Zero

Last Answer : (2) less than weight of the wood Explanation: According to the Archimedes' principle, a floating object will experience an upthrust force from water, equal to the weight of water displaced (pushed aside ... until it reaches the point where the weight of the water pushed aside equals its own weight.

Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have (1) equal volume (2) equal weight (3) equal density (4) equal mass

Description : Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have (1) equal volume (2) equal weight (3) equal density (4) equal mass

Last Answer : equal volume

When a body is immersed in a liquid, the force acting on it is – (1) Upthrust (2) Weight (3) Mass (4) Both (1) and (2)

Description : When a body is immersed in a liquid, the force acting on it is – (1) Upthrust (2) Weight (3) Mass (4) Both (1) and (2)

Last Answer : (4) Both (1) and (2) Explanation: According to the Principle of Flotation, when a body is immersed in a fluid, two forces act on it: ( 1) The weight of the body acting vertically downward ... gravity of the fluid displaced, i.e., centre of buoyancy. The upthrust is also termed as buoyant force.

"Upthrust = Weight of the liquid displaced" is known as A. Bernoulli's Principle B. Archimedes' Principle C. Pascal's Law D. Coulomb's law

Description : "Upthrust = Weight of the liquid displaced" is known as A. Bernoulli's Principle B. Archimedes' Principle C. Pascal's Law D. Coulomb's law

Last Answer : Archimedes' Principle

When a body is immersed in a liquid, the force acting on it is (1) Upthrust (2) Weight (3) Mass (4) Both (1) and (2)

Description : When a body is immersed in a liquid, the force acting on it is (1) Upthrust (2) Weight (3) Mass (4) Both (1) and (2)

Last Answer : Both (1) and (2)

A block of wood is floating in a lake. The apparent weight of the floating block is (a) Zero (b) Equal to its true weight (c) More than its true weight (d) Less than its true weight

Description : A block of wood is floating in a lake. The apparent weight of the floating block is (a) Zero (b) Equal to its true weight (c) More than its true weight (d) Less than its true weight

Last Answer : Ans:(a)

A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is (A) 0.83 (B) 0.6 (C) 0.4 (D) 0.3

Description : A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is (A) 0.83 (B) 0.6 (C) 0.4 (D) 0.3

Last Answer : Answer: Option B

When a bar magnet is cut into two equal halves, the pole strength of each piece (1) becomes double (2) becomes half (3) becomes zero (4) remains the same

Description : When a bar magnet is cut into two equal halves, the pole strength of each piece (1) becomes double (2) becomes half (3) becomes zero (4) remains the same

Last Answer : (4) remains the same Explanation: The poles remains same whether the magnet is cut into two equal half or more and also pole strength remains same but magnetic moment reduces due to decrease in the length of ... is called north pole (N-poled of the magnet and the other end the south pole (S-pole).

When a bar magnet is cut into two equal halves, the pole strength of each piece – (1) becomes double (2) becomes half (3) becomes zero (4) remains the same

Description : When a bar magnet is cut into two equal halves, the pole strength of each piece – (1) becomes double (2) becomes half (3) becomes zero (4) remains the same

Last Answer : remains the same

is upthrust a scalar or vector quantity?

Description : is upthrust a scalar or vector quantity?

Last Answer : You've already told us its direction. As soon asyou tell us its magnitude, we'll have a vector.

17. When a body is placed over a liquid, it is subjected to gravitational force and upthrust of the liquid. A) True B) False

Description : 17. When a body is placed over a liquid, it is subjected to gravitational force and upthrust of the liquid. A) True B) False

Last Answer : A

The San Andreas fault in California is a classic example of which of the following types of faults? w) tear fault x) upthrust fault y) dip-slip fault z) strike-slip fault

Description : The San Andreas fault in California is a classic example of which of the following types of faults? w) tear fault x) upthrust fault y) dip-slip fault z) strike-slip fault

Last Answer : ANSWER: Z -- STRIKE-SLIP FAULT

In geological studies, a fault in the earth's surface in which the hanging wall has moved down relative to the footwall is termed: w) normal fault x) reverse fault y) upthrust fault z) none of these

Description : In geological studies, a fault in the earth's surface in which the hanging wall has moved down relative to the footwall is termed: w) normal fault x) reverse fault y) upthrust fault z) none of these

Last Answer : ANSWER: W -- NORMAL FAULT

A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: w) all converted into heat x) equal to its potential energy (with respect to the bottom of the plane) when it was at the top of the plane y) less than its kinetic energy at the top of the plane z) dependant on the materials of which the block is made

Description : A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: w) all converted into heat x) equal to its ... kinetic energy at the top of the plane z) dependant on the materials of which the block is made 

Last Answer : ANSWER: X -- EQUAL TO ITS POTENTIAL ENERGY (WITH RESPECT TO THE BOTTOM OF PLANE) WHEN IT WAS AT THE TOP OF THE PLANE.

Ten coulombs of positive charge are placed on an irregularly-shaped, solid piece of copper. Once the charge has stopped moving, the electric field inside the copper is: w) zero x) changes as one over the radius squared y) becomes smaller as you approach the center z) becomes larger as you approach the center

Description : Ten coulombs of positive charge are placed on an irregularly-shaped, solid piece of copper. Once the charge has stopped moving, the electric field inside the copper is: w) zero x) changes as one ... squared y) becomes smaller as you approach the center z) becomes larger as you approach the center

Last Answer : ANSWER: W -- ZERO

The magnitude of the quarks' electric charge is: w) zero. x) greater than the electron's charge. y) equal to the electron's charge. z) less than the electron's charge.

Description : The magnitude of the quarks' electric charge is: w) zero. x) greater than the electron's charge. y) equal to the electron's charge. z) less than the electron's charge.

Last Answer : ANSWER: Z -- LESS THAN THE ELECTRON'S CHARGE. 

For a body floating in water, the apparent weight is equal to - (1) Actual weight of the body (2) Zero (3) Weight of the body minus weight of the liquid (4) Weight of the body plus upward thrust

Description : For a body floating in water, the apparent weight is equal to - (1) Actual weight of the body (2) Zero (3) Weight of the body minus weight of the liquid (4) Weight of the body plus upward thrust

Last Answer : (3) Weight of the body minus weight of the liquid

A system is said to be under damped if the damping factor for the system is A More than one B Less than one C Equal to one D Equal to zero

Description : A system is said to be under damped if the damping factor for the system is A More than one B Less than one C Equal to one D Equal to zero

Last Answer : B Less than one

Under ideal conditions, the collector current is (a) Equal to base current (b) Nearly equal to emitter current (c) Less than base current (d) always zero

Description : Under ideal conditions, the collector current is (a) Equal to base current (b) Nearly equal to emitter current (c) Less than base current (d) always zero

Last Answer : (b) Nearly equal to emitter current

When a piece of stone is immersed in water, it displaces water of equal – (1) Density (2) Specific gravity (3) Mass (4) Volume

Description : When a piece of stone is immersed in water, it displaces water of equal – (1) Density (2) Specific gravity (3) Mass (4) Volume

Last Answer : (3) Mass Explanation: Archimedes' Principle states that upward buoyant force exerted on a body immersed in a fluid is equal to the weight of the fluid the body displaces.

When a piece of stone is immersed in water, it displaces water of equal (1) Density (2) Specific gravity (3) Mass (4) Volume

Description : When a piece of stone is immersed in water, it displaces water of equal (1) Density (2) Specific gravity (3) Mass (4) Volume

Last Answer : Mass

If lift is going up with acceleration, the apparent weight of a body is - (1) may be more or less than true weight (2) equal to the true weight (3) less than the true weight (4) more than the true weight

Description : If lift is going up with acceleration, the apparent weight of a body is - (1) may be more or less than true weight (2) equal to the true weight (3) less than the true weight (4) more than the true weight

Last Answer : (4) more than the true weight Explanation: If lift is going up with acceleration, the apparent weight of a body is more than the true weight.

If a lift is going up with acceleration, the apparent weight of a body is - (1) More or less the true weight (2) Equal to the true weight (3) Less than the true weight (4) More than the true weight

Description : If a lift is going up with acceleration, the apparent weight of a body is - (1) More or less the true weight (2) Equal to the true weight (3) Less than the true weight (4) More than the true weight

Last Answer : (4) More than the true weight Explanation: If a lift is going up with acceleration, the apparent weight of a body is more than the true weight.

If lift is going up with acceleration, the apparent weight of a body is - (1) may be more or less than true weight (2) equal to the true weight (3) less than the true weight (4) more than the true weight

Description : If lift is going up with acceleration, the apparent weight of a body is - (1) may be more or less than true weight (2) equal to the true weight (3) less than the true weight (4) more than the true weight

Last Answer : (4) more than the true weight Explanation: If lift is going up with acceleration, the apparent weight of a body is more than the true weight.

At terminal velocity the A. air resistance and weight are equal B. air resistance is less than weight C. weight is more than air resistance D. air resistance is more than weight

Description :  At terminal velocity the A. air resistance and weight are equal B. air resistance is less than weight C. weight is more than air resistance D. air resistance is more than weight

Last Answer : air resistance and weight are equal

A piece of wetted wood just floats in water. When placed in an oil of specific gravity 0.75, it will a.Float with upside down b.Sink c.Float for sometime and then sink d.Float with 3/4 of volume above the liquid surface e.Float with 1/4 of volume above the liquid level

Description : A piece of wetted wood just floats in water. When placed in an oil of specific gravity 0.75, it will a.Float with upside down b.Sink c.Float for sometime and then sink d.Float with 3/4 of volume above the liquid surface e.Float with 1/4 of volume above the liquid level

Last Answer : b. Sink

Why the needle of iron swims on water surface when it is kept gently? (1) It will remain under the water, when it will displace more water than its weight (2) the density of needle is less than that of water (3) due to surface tension (4) due to its shape

Description : Why the needle of iron swims on water surface when it is kept gently? (1) It will remain under the water, when it will displace more water than its weight (2) the density of needle is less than that of water (3) due to surface tension (4) due to its shape

Last Answer : (3) due to surface tension Explanation: According to Archimedes principle and we can note that the amount of water displaced by a needle is lesser than the amount of water moved out by the needle ( ... is a contractive tendency of the surface of a liquid that allows it to resist an external force.

Why the needle of iron swims on water surface when it is kept gently ? (1) It will remain under the water, when it will displace more water than its weight (2) the density of needle is less than that of water (3) due to surface tension (4) due to its shape

Description : Why the needle of iron swims on water surface when it is kept gently ? (1) It will remain under the water, when it will displace more water than its weight (2) the density of needle is less than that of water (3) due to surface tension (4) due to its shape

Last Answer : due to surface tension

A boy was at a carnival and went to a booth where a man said to the boy, 'If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50.' The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50.How did the man win the bet? -Riddles

Description : A boy was at a carnival and went to a booth where a man said to the boy, 'If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50.' ... more or less. In the end the boy ended up paying the man $50.How did the man win the bet? -Riddles

Last Answer : The man did exactly as he said he would and wrote 'your exact weight' on the paper

A boy was at a carnival and went to a booth where a man said to the boy, 'If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50.' The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet? -Riddles

Description : A boy was at a carnival and went to a booth where a man said to the boy, 'If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50.' ... more or less. In the end the boy ended up paying the man $50. How did the man win the bet? -Riddles

Last Answer : The man did exactly as he said he would and wrote 'your exact weight' on the paper.

A boy was at a carnival and went to a booth where a man said to the boy, 'If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50.' The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet? -Riddles

Description : A boy was at a carnival and went to a booth where a man said to the boy, 'If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50.' ... more or less. In the end the boy ended up paying the man $50. How did the man win the bet? -Riddles

Last Answer : The man did exactly as he said he would and wrote 'your exact weight' on the paper.

What's a good glue to use to adhere a small mirror to a piece of wood (craft project)?

Description : What's a good glue to use to adhere a small mirror to a piece of wood (craft project)?

Last Answer : GORILLA GLUE

How much should it cost to stain a piece of wood furniture?

Description : How much should it cost to stain a piece of wood furniture?

Last Answer : answer:Woodcraft carries a good line of stains. Stain goes pretty far, so 1 1/2-pint can ([at]5.50 ea) should see you through this job. These stains just tint the wood, they don't actually ... tinting process). Woodcraft has a wide choice of finishes as well. Here's a map of CA Woodcraft locations.

What type of stapler should I use to train a pathos to climb a piece of wood?

Description : What type of stapler should I use to train a pathos to climb a piece of wood?

Last Answer : Need Answer

When is a piece of wood like a King? -Riddles

Description : When is a piece of wood like a King? -Riddles

Last Answer : When it is made into a ruler.

What is a long thick piece of wood?

Description : What is a long thick piece of wood?

Last Answer : Need answer

your in a cement room with no windows or doors all you have is a mirror and a piece of wood how do you get out?

Description : your in a cement room with no windows or doors all you have is a mirror and a piece of wood how do you get out?

Last Answer : I'll probably cringe when I see the answers of others, but I would watch myself slowly bleed out after poking a hole in my neck with the wood. Then, I'd be out.

When a piece of wood becomes petrified what replaces the decaying wood?

Description : When a piece of wood becomes petrified what replaces the decaying wood?

Last Answer : As our plant's internal structure gradually breaks down its organic material gets replaced by silica and other minerals over a period of a few million years

A substance which reacts with oxygen giving heat is called a combustible substance. Which one of the following is a combustible substance? a) iron nail b)glass c)stone piece d)wood

Description : A substance which reacts with oxygen giving heat is called a combustible substance. Which one of the following is a combustible substance? a) iron nail b)glass c)stone piece d)wood

Last Answer : d)wood

When Abe cut a large circle out of a piece of heavy cardboard. He was going to use it to demonstrate something he had been studying to his Admiralty sister. He held the circle up so it was directly fa?

Description : When Abe cut a large circle out of a piece of heavy cardboard. He was going to use it to demonstrate something he had been studying to his Admiralty sister. He held the circle up so it was directly fa?

Last Answer : perceptual constancy

Diaphragm of a surveying telescope is held inside (A) Eye-piece (B) Objective (C) Telescope tube at its mid point (D) Telescope at the end nearer the eye-piece

Description : Diaphragm of a surveying telescope is held inside  (A) Eye-piece  (B) Objective  (C) Telescope tube at its mid point  (D) Telescope at the end nearer the eye-piece

Last Answer : (D) Telescope at the end nearer the eye-piece

Ice float on water because its density is (1) more than water (2) less than water (3) zero (4) same as water

Description : Ice float on water because its density is (1) more than water (2) less than water (3) zero (4) same as water

Last Answer : (2) less than water Explanation: Archimedes' Principle states that for an object to floaton water, it must displace an equal amount of water. Ice floats because it is about 9% less dense than liquid water.

A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Description : A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Last Answer : (4) They must be dropped in vacuum Explanation: When a piece of paper and a cricket ball are dropped from the same height, they reach the surface at different time because the shape of the paper ... occurring on them and this leads to a conclusion that both the article reaches at the same time.

A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Description : A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? (1) They must have the same volume (2) They must have the same density (3) They must have the same mass (4) They must be dropped in vacuum

Last Answer : They must be dropped in vacuum

Carbonisation of coal consists of  A. drying and crushing the coal to a fine powder  B. moulding the finely ground coal under pressure with or without a binding material  C. heating the wood with a limited supply of air to temperature not less than 280°C  D. none of the above

Description : Carbonisation of coal consists of  A. drying and crushing the coal to a fine powder  B. moulding the finely ground coal under pressure with or without a binding material  C. heating the wood with a limited supply of air to temperature not less than 280°C  D. none of the above

Last Answer : Answer: D

Would you buy a dining table made using innovative light weight construction methods if it had the same look, quality and feel as a solid wood table and cost less?

Description : Would you buy a dining table made using innovative light weight construction methods if it had the same look, quality and feel as a solid wood table and cost less?

Last Answer : If it has the same look, feel and quality then what’s the difference? Weight? I guess having the same quality would also indicate that it is as sturdy too. No brainer…buy the cheaper one.

A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is – (1) zero (2) one (3) less than one (4) more than one

Description : A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is – (1) zero (2) one (3) less than one (4) more than one

Last Answer : (1) zero Explanation: The rifle and bullet have zero momentum and zero kinetic energy to start with. When the trigger is pulled, the bullet gains some momentum in the forward direction, but this is ... The kinetic energies of the gun and bullet are both positive scalars, however, and do not cancel.

A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is (1) zero (2) one (3) less than one (4) more than one

Description : A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is (1) zero (2) one (3) less than one (4) more than one

Last Answer : zero

WASTE WATER Engineering Objective Questions Pdf :: Q No: 151 The pH value of fresh sewage is usually A. Equal to 7 B. More than 7 C. Less than 7 D. Equal to zero

Description : WASTE WATER Engineering Objective Questions Pdf :: Q No: 151 The pH value of fresh sewage is usually A. Equal to 7 B. More than 7 C. Less than 7 D. Equal to zero

Last Answer : ANS: B

It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because – (1) weights of buckets are balanced (2) centre of gravity falls within the body (3) centre of gravity and centre of equilibrium fall within the feet (4) resultant weight of buckets is zero

Description : It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because – (1) weights of buckets are balanced (2) centre of gravity falls within the body (3) centre of gravity and centre of equilibrium fall within the feet (4) resultant weight of buckets is zero

Last Answer : (3) centre of gravity and centre of equilibrium fall within the feet Explanation: When the buckets containing equal amount of water are held in both hands, weight is spaced out more evenly than it ... centre of gravity and the centre of equilibrium should fall, in the present case, within the feet.