Physical Science Lessons 1 & 2 Flashcard Review

Front

What happens to the gravitational force between two planets if the distance between them increases?

Back

The gravitational force would decrease.

Front

What force acts on a ball when it is dropped from a height?

Back

Gravity.

Front

If Tommy pulls a boat with 70 N of force and Billy pushes it with 90 N of force, who is applying the greater force?

Back

Billy is pushing with 90 N of force.

Front

What is Newton's second law of motion equation that relates force, mass, and acceleration?

Back

F = ma.

Front

What is the net force acting on an object if the options are 2 N to the right, 2 N to the left, 5 N to the right, and 3 N to the left?

Back

2 N to the right.

Front

What is gravitational force?

Back

The force of attraction between two masses.

Front

What is the definition of net force?

Back

The overall force acting on an object when all the individual forces are combined.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N).

Front

What does acceleration depend on according to Newton's second law?

Back

Acceleration depends on the net force acting on an object and its mass.

Front

What is the effect of friction on a moving object?

Back

Friction opposes the motion of the object.