Speeding up, slowing down, changing direction

The elephant is free-falling. What force will be in the opposite direction of the force of gravity?

What does the "m" in F = ma represent?

A piano is being pushed and is moving in the left direction. Is this a balanced or unbalanced force?

What does the "a" in F = ma represent?

Newton's 1st law of motion is also known as the law of inertia. True or false?

While out playing in the yard, you set a rock on top of a fence. The next day, you see that the rock is still sitting where you left it. Which law of motion is this describing?

The greater the mass of an object, the ____________ the force needed to move the object. (less, greater)

Mary is riding in a car when the driver suddenly slams on the brakes. Mary is jerked forward out of her seat. This is an example of which law of motion?

This law of motion states that heavier objects need a larger force to make them move.

While moving, Matt found out that it was much easier to push a box filled with pillows than a box filled with books because the box filled with books had much more mass. Which law of motion is this describing?

Which law of motion explains the engine of a rocket pushing down (action) and the force of the rocket that moves it up (reaction)?

Inertia is an object's resistance to change. True or False?