THREE LAWS OF MOTION

According to Newton's first law of motion, a moving object that is not acted on by an unbalanced force will

• remain in motion

• eventually come to a stop

• accelerate in the absence of friction

You sitting in a chair is an example of Newton's

• first and third laws

• second and third laws

• first and fourth laws

Which of the following is an example of Newton's third law of motion?

• hitting a baseball with a bat

• sitting in a chair

• an apple falling from a tree

• they all are examples

Inertia is used when explaining Newton's

• first law of motion

• second law of motion

• third law of motion

When an airplane takes off, you tend to fall backward because of

• friction

• gravity

• inertia

As an ice skater pushes harder with his leg muscles, he begins to move faster.

• Newton's first law

• Newton's second law

• Newton's third law

When you paddle a canoe, the canoe goes forward.

• Newton's first law

• Newton's second law

• Newton's third law

After you start up your motorbike, as you give it more gas, it goes faster.

• Newton's first law

• Newton's second law

• Newton's third law

Who is the scientist who determined the laws of motion?

• Galileo

• Newton

• Einstein

What is always required to overcome inertia?

• force of friction

• force of gravity

• unbalanced force