Physics Multiple Choice Test

Which force causes a hot air balloon to rise when the air inside it is heated?

When your pencil falls off your desk, it falls because of the force of:

Friction is an example of this force:

The idea that moving objects will keep moving until a new force acts on them is called:

The idea that an object that is not moving will not move until a new force acts on it is called:

If a person pushes a table with 5N of force, and another person pushes back on the table in the opposite direction with 5N of force, what is the net force?

Momentum = force X

If two people work together to push a heavy desk the same direction, and the first person uses 15N of force and the second person gives 25N of force, what is the net force?

A parachute helps slow a person's fall by increasing the force of:

If a 300 pound toy car is moving at 10mph, what is its momentum?

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