Drone Physics Lesson 3

The Force of Weight

I Can Understanding the impact of weight on objects and the forces involved.

Open Ended

What is lift?

Cherokee Language

It Is Cold.

Cherokee: U-yv-tsa

Syllabary: ᎤᏴᏣ

It Is Hot.

Cherokee: U-di-le-ga

Syllabary: ᎤᏗᎴᎦ

It Is Snowing.

Cherokee: Gu-ti-ha

Syllabary: ᎫᏘᎭ

It Is Cloudy.

Cherokee: U-lo-gi-la

Syllabary: ᎤᎶᎩᎳ

The Force of Weight

• Weight is the force exerted on an object due to gravity.
• Weight is a vector quantity with magnitude and direction.
• The SI unit for weight is the newton (N).
• Weight can be calculated using the formula: Weight = mass x acceleration due to gravity.

Vocabulay

alloy: A mixture or solid solution of two or more metals, the atoms of one replacing or occupying positions between the atoms of the other. Brass is an alloy of zinc and copper.

ceramic: A hard, brittle, heat-resistant and corrosion-resistant material made by shaping and then firing a nonmetallic mineral, such as clay, at a high temperature.

mass: The mass is the measure of how much material is in an object. The mass of an object is not dependent on gravity and, therefore, is different from, but proportional to, its weight.

material science: The observation, identification, description, experimental investigation, and theoretical explanation of materials and their properties.

matter: That of which anything is composed. Matter is anything that has mass and exists as a solid, liquid, gas, or plasma.

weight: The force with which a body is attracted to Earth or another celestial body, equal to the product of the object's mass and the acceleration of gravity.

Weight: Force of Acceleration

Trivia: Weight is not the same as mass. Mass is a measure of the amount of matter in an object, while weight is the force exerted on an object due to acceleration. On Earth, weight is commonly measured in pounds or kilograms. Gravity is the main factor that determines an object's weight.

Weight: The Force of Gravity

Trivia: Did you know that weight is actually the force exerted on an object due to gravity? It is not the same as mass, which is the amount of matter in an object. Weight can vary depending on the strength of gravity, which is why you weigh less on the moon than on Earth.

Open Ended

Think pair share

What is the difference in Weight and Mass

The Force of Weight

• Weight: The force exerted on an object due to gravity.
• Mass: The amount of matter in an object.
• Weight vs. Mass: Weight depends on the mass and the strength of gravity.
• Formula: Weight = mass x acceleration due to gravity.

Weight and Volume

Trivia: The weight of an object is determined by its mass, not its volume. However, the weight of an object can be influenced by the volume of a substance it displaces, such as in the case of buoyancy. So, while volume is not the direct factor determining weight, it can still play a role in certain situations.

The Force of Weight

• Weight on Earth: The force exerted by an object due to gravity on Earth.
• Weight Formula: Weight = mass x acceleration due to gravity.
• Standard Gravity: Acceleration due to gravity on Earth is approximately 9.8 m/s².
• Units: Weight is measured in Newtons (N) or pounds (lbs).

Unit of Measurement: Newtons

Trivia: The unit of measurement for weight is not kilograms, as commonly believed. It is actually Newtons. Newtons are used to measure the force of gravity acting on an object. Kilograms, on the other hand, are used to measure mass. So, next time someone asks you about weight, remember it's Newtons, not kilograms!

Multiple Choice

What is the unit of measurement for weight?

• Kilograms

• Meters

• Newtons

• Seconds

Weight: Force of Gravity

Trivia: Weight is the force exerted on an object due to gravity. It is not the same as mass, which is the amount of matter in an object. Weight can vary depending on the strength of gravity, while mass remains constant. Weight is measured in Newtons. Weight is the same as mass.

Match

Match the following

• It Is Cold

• It Is Hot

• It Is Snowing

• It Is Cloudy

U-yv-tsa

U-di-le-ga

Gu-ti-ha

U-lo-gi-la

• U-yv-tsa

• U-di-le-ga

• Gu-ti-ha

• U-lo-gi-la

Multiple Choice

What is weight?

• The force exerted on an object due to gravity

• The force exerted on an object due to magnetism

• The force exerted on an object due to friction

• The force exerted on an object due to air resistance

Match

Match the following

• weight

• paper

• metal

• gravity

response_1

response_2

response_3

response_4

• response_1

• response_2

• response_3

• response_4

Match

Match the following

• alloy
• ceramic
• mass
• weight
• matter

metal

pottery

kilogram

newton

substance

• metal
• pottery
• kilogram
• newton
• substance

Multiple Choice

Engineers must take material properties into consideration when designing something.

• True

• False

Multiple Choice

The choice of materials is not very important in building airplanes.

• True

• False

Open Ended

Work with a neighbor

What must engineers consider when choosing the materials to build an airplane?