Physics First Semester Final Exam Review part 2 2024

Front

What is elastic potential energy?

Back

Elastic potential energy is the energy stored in elastic materials as the result of their stretching or compressing. It can be calculated using the formula: PE = 1/2 k x^2, where k is the spring constant and x is the displacement from the equilibrium position.

Front

How is elastic potential energy calculated in a bungee cord?

Back

The elastic potential energy (PE) stored in a bungee cord can be calculated using the formula: PE = 1/2 k x^2, where k is the spring constant and x is the amount of stretch.

Front

What is the formula for calculating work done by a force?

Back

The formula for work (W) done by a constant force is W = Fd cos θ, where F is the force applied, d is the displacement, and θ is the angle between the force and the displacement direction.

Front

What is the difference between kinetic energy and potential energy?

Back

Kinetic energy is the energy of an object due to its motion, while potential energy is the energy stored in an object due to its position or configuration.

Front

What is impulse in physics?

Back

Impulse is the change in momentum of an object when a force is applied over a period of time. It is calculated as Impulse = Force × Time.

Front

How do you determine the force involved in a collision?

Back

The force involved in a collision can be determined using the impulse-momentum theorem, which states that Impulse = Change in Momentum = Force × Time.

Front

What is the spring constant?

Back

The spring constant (k) is a measure of a spring's stiffness, defined as the force required to stretch or compress the spring by a unit distance.

Front

What is the relationship between force, mass, and acceleration?

Back

The relationship is defined by Newton's second law of motion: F = ma, where F is the force applied, m is the mass of the object, and a is the acceleration produced.

Front

What is the principle of conservation of momentum?

Back

The principle of conservation of momentum states that the total momentum of a closed system remains constant if no external forces act on it.

Front

What is the formula for calculating kinetic energy?

Back

The formula for kinetic energy (KE) is KE = 1/2 mv^2, where m is the mass of the object and v is its velocity.