Mass
What property of an object stays the same, regardless of its location?
Mass
An object’s weight stays the same no matter where it is in the universe.
True or False?
False
If an object is larger, the gravitational force near it is smaller
True or False?
False
In a force diagram, what does the direction of the arrow indicate?
The direction of the force
What is the name of a measurement equal to 1000 grams?
A kilogram(kg)
What is the name of the instrument that is used to measures an object’s mass using the pull of gravity?
A Balance
What is the SI unit of force, and what is the symbol for this unit?
The SI unit of force is Newton and the symbol for this unit is N.
What is weight measured in?
Newtons
Force Diagrams can help us find the effect of several______acting on one object
Fill in the blanks
Forces
What does the symbol (N) represent in the SI?
Newton
How can an object's mass change?
By gaining or losing matter
What is the name of the instrument used to measure forces?
Who discovered that gravitational force depends on the masses of objects and the distance between them?
Isaac Newton
What do the arrows on the force diagram represent the strength and direction of?
They represent the strength and direction of one or more forces.
What is the name of a simple picture that uses arrows to show the strength and direction of force?
Force Diagram
What is SI a shortened term for?
International System of Units
Name a small object or material that can be stretched by the force of 1 Newton.
A small rubber band
Why would a person weigh less on the moon compared to Earth?
Because the moon exerts less gravitational force because of its smaller size.
What do the lengths of the arrow on the force diagram show the size of?
They show the size of the force.
What is a balance?
A balance is an instrument that measures mass. It’s one of the most common types of measuring instruments. It works using the force of gravity.
What country invented the metric system in 1795?
France
To completely describe a force, what two aspects do you need to determine?
Direction and size
What is the difference between mass and weight?
Mass is the amount of matter that an object is made of,while weight is the force with which gravity pulls on an object.
When an elevator is standing still, the force of the cable pulling it up is the same as the force of gravity pulling it down.
True or False?
True
What is the name of the force that attracts any two objects with mass, this force pulls objects close together or towards each other?
Gravitational Force