6.7 Forces and Motion Quiz

Which of the following is an example of a force acting on an object?

• Light shining on a plant

• Gravity pulling a book downward

• Sound waves traveling through air

• Heat warming a metal rod

Tags

TEKS.SCI.6.7A

What is the term for the force that opposes the motion of an object through air?

• Gravity

• Friction

• Air resistance

• Magnetism

Tags

TEKS.SCI.6.7A

If a person pushes a box with a force of 10 N to the right and another person pushes it with a force of 5 N to the left, what is the net force on the box?

• 5 N to the right

• 5 N to the left

• 15 N to the right

• 15 N to the left

Tags

TEKS.SCI.6.7B

Which of the following scenarios best illustrates Newton's Third Law of Motion?

• A car accelerating on a highway

• A book resting on a table

• A swimmer pushing against the wall of a pool and moving forward

• A ball rolling down a hill

Tags

TEKS.SCI.6.7C

Calculate the net force on an object if two forces of 8 N and 12 N are acting in the same direction.

• 4 N

• 20 N

• 96 N

• 0 N

Tags

TEKS.SCI.6.7B

Which of the following is an example of balanced forces?

• A car accelerating

• A book sliding off a table

• A hanging picture frame

• A ball being thrown

Tags

TEKS.SCI.6.7B

Explain how friction affects the motion of a rolling ball on a flat surface.

• It speeds up the ball

• It slows down the ball

• It has no effect on the ball

• It changes the direction of the ball

Tags

TEKS.SCI.6.7A

A person is standing on a skateboard and pushes against a wall. What happens according to Newton's Third Law?

• The wall moves backward

• The person moves backward

• The skateboard moves forward

• Both the person and the wall move backward

Tags

TEKS.SCI.6.7C

Identify the force pair when a book rests on a table.

• The book's weight and the table's support force

• The book's weight and air pressure

• The table's support force and air pressure

• The book's weight and friction

Tags

TEKS.SCI.6.7C

A 5 kg object is subjected to two forces: 15 N to the right and 10 N to the left. Calculate the net force and determine if the forces are balanced or unbalanced.

• 5 N to the right, unbalanced

• 5 N to the left, balanced

• 25 N to the right, unbalanced

• 0 N, balanced

Tags

TEKS.SCI.6.7B