mass and weight Flashcards
What is mass?
Mass is a measure of the quantity of matter in an object at rest relative to the observer.
How does mass resist change?
Mass resists change from its state of rest or motion, demonstrating inertia.
What is inertia?
Inertia is the property of mass that resists changes in its state of rest or motion.
What tool can compare weights and masses?
A beam balance or equal-arm balance.
How do you measure mass electronically?
By using an electronic balance.
How is weight measured?
Weight is measured using a force meter.
Define gravitational field strength.
Gravitational field strength is the force per unit mass.
What is the formula for gravitational field strength?
Gravitational field strength (g) = Weight (W) ÷ Mass (m) (g=W/m).
What is gravitational field strength equivalent to?
It is equivalent to the acceleration due to free fall.
What is a gravitational field?
A gravitational field is a region in which a mass experiences a force due to gravitational attraction.
How does gravitational force act on mass?
Gravitational force pulls masses toward the center of a massive object like Earth.
What unit is used to measure mass?
The unit for mass is kilograms (kg).
What unit is used to measure weight?
The unit for weight is newtons (N).
Why do heavier objects have more inertia?
Because they have more mass, making them harder to accelerate or decelerate.
How does a force meter work?
A force meter measures the force exerted by an object due to gravity, which corresponds to its weight.
