Physics Semester Final Review

Front

What is the gravity constant?

Back

9.81 m/s^2

Front

What is a vector? Give two examples.

Back

A vector is a quantity that has both magnitude and direction. Two examples of vectors are displacement and velocity.

Front

What is Newton's 1st Law also known as?

Back

Law of Inertia

Front

What are the units and variables for force?

Back

Newtons (N), F (force), m (mass), a (acceleration)

Front

What is projectile motion?

Back

The motion of an object that is thrown or projected into the air and is subject to gravity and air resistance.

Front

What is the formula for calculating force?

Back

F = m * a (Force equals mass times acceleration)

Front

Define kinetic energy.

Back

Kinetic energy is the energy of an object due to its motion, calculated as KE = 1/2 mv^2.

Front

What is potential energy?

Back

Potential energy is the stored energy of an object due to its position or state, commonly gravitational potential energy, PE = mgh.

Front

What is the principle of conservation of energy?

Back

The total energy in a closed system remains constant; energy can neither be created nor destroyed, only transformed.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.