Motion and Newton's Laws

F = ma is the equation for calculating force.

Forces only exist as a result of an interaction.

Action reaction force pairs always act on the same object.

What is acceleration due to gravity?

At terminal velocity, forces are _____.

Which of Newton's Laws is also known as the Law of Inertia?

When an object moves in a circle at a constant speed its velocity is constantly changing.

Which of the following is experiencing free fall motion?

The external force acting on an object with centripetal motion is _____.

In which direction does the buoyant force act?

Which type of force changes the state of rest or motion of an object.

Free fall happens when there is no air resistance. The only force acting on the object is gravity.

Uniform centripetal motion has a constant rate of speed and a constant rate of angular rotation.

When terminal velocity has been reached, the net force is _____.

The prefix -helio means _____.

If a boy pushes a box with 2 N of force, and another boy pulls the box with 3 N of force, what is the net force?

Which scientist proposed heliocentrism? He said all the planets in our solar system revolved around the sun.

Laws are never expressed mathematically. No equations.

Which scientist helped create the field of Newtonian Physics?

The path of a projectile is _____.

Equal forces always have equal effects.

Which of Newton's Laws states that for every action force there is an equal and opposite reaction force?

Which scientist proposed the concept of the buoyant force?

A theory can be changed.

You cannot accelerate an object any faster than 9.8 m/s2.

When air resistance on a falling object is equal in magnitude and opposite in direction to the force of gravity _____.

The larger the mass of an object the stronger the pull of gravity.

Which of the scientists we studied described the relationship between force and motion?

Centripetal motion is the movement of an object in a _____.

A force is a scalar quantity, meaning it only has magnitude. Direction is not included.

An object at rest will stay at rest and an object in motion will maintain it's velocity unless it experiences what?

Why do we say an object moving in a circular motion is accelerating?

Who said objects, regardless of mass, fall at the same rate?

Non-uniform centripetal motion has a constant rate of angular rotation and a changing rate of speed.

Action reaction force pairs _____.

The path of projectile can best be shown by a parabola.

Laws are accepted as 100% true an accurate.

Theories are developed to explain why a phenomenon happens.

All objects near Earth's surface accelerate at 9.8 m/s2.

A projectile does not need a force to keep it moving.

Which scientist proposed geocentrism? He believed the planets and sun revolved around the Earth.

If I push down on the desk with a force of 1 N, what is the reaction force?

The net force is the sum of all the forces acting on an object.

What is the unit for force?

Centripetal force is a net force.

Gravity gives a projectile its horizontal motion.