Buoyancy of Objects (Phase 1) Upward Force

Question 1

What is upward force?

Answer 1

Upward force is the displacement of water that creates an upward force called buoyant force and acts opposite to gravity..

Question 2

How much does 1 litre of fresh water weigh?

Answer 2

1 litre of fresh water weighs 1.00kg.

Question 3

How much does 1 litre of seawater weigh?

Answer 3

1 litre of seawater weighs 1.03kg

Question 4

An object displaces 10litres.

What is the upward force of the object in fresh water?

Answer 4

10litres (displaced) x 1kg (fresh water)

= 10kg (upward force)

Question 5

An object displaces 10litres.

What is the upward force of the object in seawater?

Answer 5

10litres (displaced) x 1.03kg (seawater)

= 10.3kg (upward force)

Question 6

An object displaces 20litres.

What is the upward force of the object in fresh water?

Answer 6

20litres (displaced) x 1kg (fresh water)

= 20kg (upward force)

Question 7

An object displaces 20litres.

What is the upward force of the object in seawater?

Answer 7

20litres (displaced) x 1.03kg (seawater)

= 20.6kg (upward force)

Question 8

An object displaces 30litres.

What is the upward force of the object in fresh water?

Answer 8

30litres (displaced) x 1kg ( fresh water)

= 30kg (upward force)

Question 9

An object displaces 30litres.

What is the upward force of the object in seawater?

Answer 9

30litres (displaced) x 1.03kg (seawater)

= 30.9kg (upward force)

Question 10

An object displaces 40litres.

What is the upward force of the object in fresh water?

Answer 10

40litres (displaced) x 1kg (fresh water)

= 40kg (upward force)

Question 11

An object displaces 40litres.

What is the upward force of the object in seawater?

Answer 11

40litres (displaced) x 1.03kg (seawater)

= 41.2kg (upward force)

Question 12

An object displaces 50litres.

What is the upward force of the object in fresh water?

Answer 12

50litres (displaced) x 1kg (fresh water)

= 50kg (upward force)

Question 13

An object displaces 50litres.

What is the upward force of the object in seawater?

Answer 13

50litres (displaced) x 1.03kg (seawater)

= 51.5kg (upward force)

Question 14

An object displaces 115litres.

What is the upward force of the object in seawater?

Answer 14

115litres (displaced) x 1.03kg (seawater)

= 118.45kg (upward force)

Question 15

An object displaces 125litres.

What is the upward force of the object in seawater?

Answer 15

125litres (displaced) x 1.03kg (seawater)

= 128.75kg (upward force)

Question 16

An object displaces 135litres.

What is the upward force of the object in fresh water?

Answer 16

135litres (displaced) x 1kg (fresh water)

= 135kg (upward force)

Question 17

An object displaces 145litres.

What is the upward force of the object in seawater?

Answer 17

145litres (displaced) x 1.03kg (seawater)

= 149.35kg (upward force)

Question 18

An object displaces 155litres.

What is the upward force of the object in seawater?

Answer 18

155litres (displaced) x 1.03kg (seawater)

= 159.65kg (upward force)

Question 19

An object displaces 165litres.

What is the upward force of the object in fresh water?

Answer 19

165litres (displaced) x 1kg (fresh water)

= 165kg (upward force)

Question 20

An object displaces 175litres.

What is the upward force of the object in fresh water?

Answer 20

175litres (displaced) x 1kg (fresh water)

= 175kg (upward force)