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
