Y9-Forces and Motion

What is the term for the rate at which an object changes its velocity?

True or False: Weight always remains constant regardless of location.

Which of the following are types of forces?

What is the law that states that an object in motion stays in motion, with the same speed and in the same direction unless acted upon by an unbalance force?

True or False: Friction is a force that acts in the against direction to the movement of an object.

Which of the following are effects of unbalanced forces on an object?

What is the name of the force that acts between two objects in contact with each other?

True or False: If an object is at rest, it means there are no forces acting upon it.

Which of these describe the motion of an object thrown up in the air?

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

True or False: In the absence of air resistance, heavy and light bodies fall with the same acceleration.

Which factors determine the amount of gravitational force between two objects?

In the formula F = ma, what does a stand for?

True or False: Normal force is the force that a surface exerts on an object that is in contact with it and acts perpendicular to the surface.