Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of...

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Moving Masses Newton’s Toy Box Activity 3

Transcript of Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of...

Page 1: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

Moving MassesNewton’s Toy Box

Activity 3

Page 2: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

Vocabulary

AccelerationMassNewton’s second law of motion

Page 3: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

What is Weight? What is Mass?

Weight is a measure of the amount of gravity pulling on an object.

Mass is a measure of the amount of matter in an object.

An object’s weight is affected by mass of the object and by gravity.

Page 4: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

Weight/Mass There is a direct relationship between mass

and weight….but they ARE NOT the same. An object’s weight is affected by mass of

the object and by gravity.

Page 5: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

Give me an example of when an object loses weight but not mass.

When the object is in a weightless environment…..in space.

For instance, a person can lose five-sixth of his/her weight by going to the moon….his/her weight has changed but the person’s mass has not changed.

The mass stays the same!!!!!

Page 6: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

Activity Spring Scale, Net Bag, Steel Ball, Wooden

Ball, and Hardcover Book. As a group, we will read over Activity Sheet

#3. Begin Step #1 Stop after Step #1

Page 7: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

What is the relationship between mass and weight?

An object with more mass weighs more.

Page 8: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

What is acceleration? Acceleration means the rate of change in

speed and direction. When an object is falling, its speed

increases. Acceleration is a measure of the rate of

increase or decrease in speed.

Page 9: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

Activity Complete Step #2. Stop after Step #2 We will review your results before you

proceed in the activity

Page 10: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

What is the relationship between force and acceleration in this step?…..between acceleration and mass? The stronger the force, the greater the

acceleration (the harder the push, the faster the ball rolls)

This is a direct relationship!!!! The ball with lesser mass, acceleration is

greater and it rolls faster than the ball with more mass. This is Newton’s 2nd Law of motion.

Page 11: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

Newton’s Second Law of Motion F = Mass (m) x Acceleration (a) Activity: The book strikes the two balls with

the same force. We saw that the wooden ball accelerates faster than the steel ball.

a = F/m

Page 12: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

Newton’s Second Law of Motion An object acted on by a force will

accelerate in the direction of the force.

Page 13: Moving Masses Newton’s Toy Box Activity 3. Vocabulary Acceleration Mass Newton’s second law of motion.

Step 3 and 4 Complete step #3 and #4 Make your prediction prior to performing

step #3 We will discuss these steps prior to class

ending.


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