Newton’s Laws of Motion (Worksheet, Explanation and Examples)

Grade 7 Science Worksheets

Known as Newton’s Laws of Motion, these principles describe the relationships between force, mass, and motion, and have become some of the most influential ideas in the history of science. From the way we walk, to the movement of the planets in our solar system, everything in the universe is subject to the laws of motion. At the heart of these laws are the three fundamental principles outlined by Sir Isaac Newton in the 17th century.

In this article, we will explore each of Newton’s Laws of Motion in depth, and examine how they apply to the world around us.

Whether you are a student of physics or simply curious about the way things work, this article will provide a comprehensive overview of one of the most important concepts in science.

You can also reinforce your learning with the the Newton’s Laws of Motion Worksheets for Grade 7.

Newton’s First Law of Motion Worksheet

Newton’s first law of motion states that every object will remain at rest or in uniform motion in a straight line unless acted upon by an external force to change its motion.

Newton’s Second Law of Motion Worksheet

Newton’s second law of motion is as follows: The acceleration of an object as obtained by a net force is directly proportional to the size of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Newton’s Third Law of Motion Worksheet

Newton’s third law of motion states that: For every action, there is an equal and opposite reaction. This means that in every interaction, there is a pair of forces acting on the two participating objects.

Here action is the ball thrown on the ground …The ball bounces back is the reaction.

Ball Bouncing - Example of Every Action has an Equal and Opposite Reaction

In the above picture : Skater on the left pushes the skater on the right (action). In turn the skater on the left gets pushed by the skater on the right (reaction).

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Check Point

A. State True or False

Newton’s third law states that every object will remain at rest or in uniform motion unless acted upon by an external force to change its motion.
The acceleration of an object as obtained by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force.
Newton’s third law states that every action is just an action with no expected reaction.
The law of conservation of mass is same as Newton’s law.
An object in motion will continue to be in motion unless acted upon by an external force to change its state.

B. Fill in the blanks

Newton’s first law states that every object will remain at ……… or in uniform motion in a …………… line unless compelled to change its state by the action of an …………………..
Newton’s third law is for every ……….., there is an equal and opposite………..

Answer Key

A. True or False

False
True
False
False
True

B. Fill in the blanks

Rest, straight, external force
Action, reaction

Frequently Asked Questions (FAQs)

What is Newton's First Law of Motion?

Newton’s First Law of Motion, also known as the Law of Inertia, states that an object at rest will remain at rest, and an object in motion will continue in motion with a constant velocity unless acted upon by an external force.

What is Newton's Second Law of Motion?

Newton’s Second Law of Motion states that the force acting on an object is directly proportional to the object’s mass and acceleration, and inversely proportional to its velocity. The formula for this law is F = ma, where F represents force, m represents mass, and a represents acceleration.

What is Newton's Third Law of Motion?

Newton’s Third Law of Motion states that for every action, there is an equal and opposite reaction. In other words, when one object exerts a force on a second object, the second object exerts an equal and opposite force back on the first object.

Why are Newton's Laws of Motion important?

Newton’s Laws of Motion are important because they explain how objects move and interact with each other. They provide the foundation for understanding concepts such as force, acceleration, and momentum, which are essential in fields such as physics, engineering, and even sports. By understanding these laws, we can design better machines, predict how objects will behave in different situations, and even explore the universe around us.

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