2.5 Newton’s Second Law

• Newton's Second Law can be used to calculate an object's acceleration if its mass and net force are known.


  True
• What does the symbol F_{net}</latex> represent in Newton's Second Law?

  Net force
• Steps to solve problems using Newton's Second Law:

  1️⃣ Identify the forces acting on the object

  2️⃣ Calculate the net force

  3️⃣ Apply $F_{net} =$$ma$

  4️⃣ Solve for the unknown variable
• Newton's Second Law states that the net force acting on an object is equal to its mass multiplied by its acceleration
• Match the term with its description:

  Net Force ↔️ The total force acting on an object

  Mass ↔️ The amount of matter in an object

  Acceleration ↔️ The rate of change of velocity
• The acceleration in Newton's Second Law is the rate of change of the object's velocity.

  True
• Match the concept with its description:

  Net Force ↔️ Vector sum of all forces

  Mass ↔️ Amount of matter in an object

  Acceleration ↔️ Rate of change of velocity
• What can you calculate using Newton's Second Law if you know an object's mass and the net force acting on it?

  Acceleration
• The net force in Newton's Second Law is the vector sum of all forces acting on the object
• Match the quantity with its unit:

  Force ↔️ Newton (N)

  Mass ↔️ Kilogram (kg)

  Acceleration ↔️ m/s²
• What does the variable $F$ represent in Newton's Second Law?


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

  Newton (N)
• What is the equation that relates force, mass, and acceleration in Newton's Second Law?

  $F =$$ma$
• The units of force in Newton's Second Law are derived from the units of mass and acceleration.


  True
• Newton's Second Law can be used to calculate an object's acceleration if its mass and net force are known.

  True
• What is the net force acting on an object defined as?

  The sum of all forces
• What is the net force in physics?

  Sum of all forces
• The relationship between net force, mass, and acceleration is $F_{net} =$$ma$


  True
• What is the unit of mass?

  Kilogram
• Arrange the following quantities in terms of their units from smallest to largest:

  1️⃣ Meter per second squared (m/s²)

  2️⃣ Kilogram (kg)

  3️⃣ Newton (N)
• To calculate acceleration, you divide the net force by the mass of the object


  True
• What is the difference between mass and weight?

  Mass is matter, weight is force
• What is the first step to solve problems using Newton's Second Law?

  Identify the net force
• What can you calculate using Newton's Second Law if you know an object's mass and the net force acting on it?

  Acceleration
• What is the term for the rate of change of an object's velocity?

  Acceleration
• Newton's Second Law can be mathematically expressed as F_{net} = ma
• Steps to solve a problem using Newton's Second Law

  1️⃣ Identify the known quantities

  2️⃣ Calculate the net force

  3️⃣ Apply the formula $F_{net} =$$ma$

  4️⃣ Solve for the unknown variable
• Acceleration is measured in meters per second squared (m/s²).

  True
• Force is a push or pull that causes acceleration
• What does $F_{net}$ represent in Newton's Second Law?


  Net force
• What is the mathematical expression of Newton's Second Law?

  $F_{net} =$$ma$
• Newton's Second Law allows us to calculate an object's acceleration if we know its mass and the net force
• In Newton's Second Law, force causes an object to accelerate.


  True
• What is acceleration in physics?

  Rate of change of velocity
• The unit of force is the newton
• The unit of acceleration is meter per second squared
• In Newton's Second Law, $F_{net}$ represents the net force
• The formula to calculate the magnitude of the net force is $F_{net} =$ \sqrt{F_{x}^{2} + F_{y}^{2}}force
• Mass is dependent on gravitational acceleration

  False
• What does Newton's Second Law state about the net force acting on an object?

  Net force equals mass times acceleration