Quiz 2. Mass

What would be the weight of the following items in Newtons?

1.5 kg of gold = 14.7 N. 33, 898 mL of water = 332 N

An object weighs 42.53 newtons. What is its mass if a gravitometer indicates that g = 9.83 m/s2?

4.33 kg

An object has a mass of 15 kg. On Planet X, the object weighs 126 N. The force of gravity on Planet X is _____.

8.4 m/s2

Mass and weight are different words for the same property of matter.

False

Solid volumes can always be determined by the displacement method.

False

The space shuttle is descending through the Earth's atmosphere. How is the force of gravity affected?

It will increase with descent

Volume is an unreliable measure of the quantity of matter.

True

Accuracy and precision have the same meaning.

false

Kilogram is a unit of volume.

false

Weight is constant every place in the universe.

false

The weight of an object at the North Pole is _____

greater than at the equator

If the mass of an object is doubled, its gravitational force will _____.

increase

If the combined mass of two objects is increased by a factor of ten, how will Fg be affected?

increased by 10

Weight is best described as _____.

the downward force exerted on an object's mass due to gravity

An equal-arm balance is used to weigh an object.

true

Mass is a property of matter.

true

One liter equals the volume of a cube ten centimeters on a side.

true

One liter of water has a mass of one kilogram.

true