Newtons Laws Which one is it Newtons Laws

  • Slides: 29
Download presentation
Newton’s Laws Which one is it?

Newton’s Laws Which one is it?

Newton’s Laws of Motion 1 st: An object in motion stays in motion and

Newton’s Laws of Motion 1 st: An object in motion stays in motion and an object at rest stays at rest, unless acted on by an unbalanced force. 2 nd: The acceleration of an object depends on the force acting on the object and the mass of the object. 3 rd: Every action has an equal and opposite reaction.

Question 1 You run into your friend while in-line skating , and both of

Question 1 You run into your friend while in-line skating , and both of you fall in opposite directions. 3 rd law!

Question 2 A book left on the table overnight is there when you return

Question 2 A book left on the table overnight is there when you return in the morning. 1 st law!

Question 3 A baseball hit with a bat accelerates more than a bowling ball

Question 3 A baseball hit with a bat accelerates more than a bowling ball hit with a bat. 2 nd law!

Question 4 A space shuttle propels gas particles out the back of the shuttle

Question 4 A space shuttle propels gas particles out the back of the shuttle and is able to travel forward through space. 3 rd law!

Question 5 A balloon flies forward when air quickly escapes from it. 3 rd

Question 5 A balloon flies forward when air quickly escapes from it. 3 rd law!

Question 6 A soccer ball continues to roll until it hits something. 1 st

Question 6 A soccer ball continues to roll until it hits something. 1 st law!

Question 7 The bike you are riding hits a hole and stops quickly, but

Question 7 The bike you are riding hits a hole and stops quickly, but you fly forward over the handlebars. 1 st law!

Question 8 A golfer hits a volleyball and a golf ball. The volleyball accelerates

Question 8 A golfer hits a volleyball and a golf ball. The volleyball accelerates slower than the golf ball. 2 nd law!

Question 9 The clothes you left on the floor are still there when you

Question 9 The clothes you left on the floor are still there when you come home from school. 1 st law!

Question 10 A baseball hit with a wooden bat has more force than a

Question 10 A baseball hit with a wooden bat has more force than a baseball hit with a plastic bat. 2 nd law!

Predict: Question 1 Mr. Novick and his son Colin are playing catch. We assume

Predict: Question 1 Mr. Novick and his son Colin are playing catch. We assume that Mr. Novick is stronger than Colin. Which one will accelerate the ball more? 2 nd law!

Predict: Question 2 If you leave a cookie on a plate and there is

Predict: Question 2 If you leave a cookie on a plate and there is no one else in the house, where will the cookie be in an hour? 1 st law!

Predict: Question 3 If you let the air out of a balloon, what will

Predict: Question 3 If you let the air out of a balloon, what will happen to the balloon? 3 rd law!

Predict: Question 4 The horse you’re riding stops quickly. What happens to you? 1

Predict: Question 4 The horse you’re riding stops quickly. What happens to you? 1 st law!

Predict: Question 5 A football player kicks two footballs, one filled with air and

Predict: Question 5 A football player kicks two footballs, one filled with air and one filled with helium, which has less mass than air. Which one accelerates more? 2 nd law!

Predict: Question 6 Two ice skaters glide into each other at full speed. What

Predict: Question 6 Two ice skaters glide into each other at full speed. What will happen? 3 rd law!

Now it is your turn! Create an original (not already mentioned) situation to describe

Now it is your turn! Create an original (not already mentioned) situation to describe each one of Newton’s Three Laws of Motion.

WHICH LAW? # 1 A frog leaping upward off his lily pad is pulled

WHICH LAW? # 1 A frog leaping upward off his lily pad is pulled downward by gravity and lands on another lily pad instead of continuing on in a straight line. 1 st law!

WHICH LAW? # 2 As you walk forward, your back foot pushes back on

WHICH LAW? # 2 As you walk forward, your back foot pushes back on the ground. 3 rd law!

WHICH LAW? # 3 When you are standing up in a subway train, and

WHICH LAW? # 3 When you are standing up in a subway train, and the train suddenly stops, your body continues to go forward. 1 st law!

WHICH LAW? # 4 After you start up your motorbike, as you give it

WHICH LAW? # 4 After you start up your motorbike, as you give it more gas, it goes faster. 2 nd law!

WHICH LAW? # 5 A pitched baseball goes faster than one that is gently

WHICH LAW? # 5 A pitched baseball goes faster than one that is gently thrown. 2 nd law!

WHICH LAW? # 6 A swimmer pushes water back with her arms, but her

WHICH LAW? # 6 A swimmer pushes water back with her arms, but her body moves forward. 3 rd law!

WHICH LAW? # 7 As an ice skater pushes harder with his leg muscles,

WHICH LAW? # 7 As an ice skater pushes harder with his leg muscles, he begins to move faster. 2 nd law!

WHICH LAW? # 8 When Bobby, age 5, and his dad are skipping pebbles

WHICH LAW? # 8 When Bobby, age 5, and his dad are skipping pebbles on the pond, the pebbles that Bobby’s dad throws go farther and faster than his. 2 nd law!

WHICH LAW? # 9 When you paddle a canoe, the canoe goes forward. 3

WHICH LAW? # 9 When you paddle a canoe, the canoe goes forward. 3 rd law!

WHICH LAW? # 10 A little girl who has been pulling a sled behind

WHICH LAW? # 10 A little girl who has been pulling a sled behind her in the snow is crying because when she stopped to tie her hat on, the sled kept moving and hit her in the back of her legs. 1 st law!