Force and Pressure- Blog 4

CLASS 8 CHAPTER 11
Force and Pressure
Day 4

"Always Question, Always Wonder" 

Dear Learners,
Thank you for logging in! You're wonderful!😊 

 At the end of this class, you will be able to:
1. Distinguish between Balanced and Unbalanced forces.
2. State the effects caused by force.

Happy Learning!😊

Balanced and unbalanced Forces:


https://youtu.be/-Rjid6hQuww ( Check this video on Balanced and Unbalanced Forces)

Effects of Force:


Force acting on a body may cause the following effects on it:
1. A force acting on a body can change its state of motion or rest.
2. A force can the direction of motion of a moving object.
3. A force can change the shape and size of an object.
4. a force can stop a moving object.
5. A force can change the speed of a moving object.

https://youtu.be/QuFh8GYDf7A?t=17 (check this video on effects of force)

Drill:
1.      1. .  What will be the net force acting on a body if 2 forces of 50 N each acts:
a)      In the same direction.
              b)     In the opposite direction.

2.  If a force of 10N, 20N & 30 N acts in one direction & a force of 60 N acts in the opposite direction to an object. What will be the resultant force on that object? State about the nature of resultant force.

Assignment:

  • Read pg. 177-180 of the textbook.
  • Solve Oral questions of pg. 180
See you for the next class😊

Stay Happy! Stay Fantastic!



































Assignment:

  • Read from pg. 170-174 of the textbook.
  • Based on your learning, try to answer oral ques. given on pg. 175.
See you for the next class😊

Stay Happy! Stay Fantastic!

Comments

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  22. Aaryan SainiApril 18, 2020 at 7:47 AM

    DRILL ANSWERS:
    1. 50N + 50N = 100N
    2. 0N (because the force applied is a balanced force)

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  29. ShreyanshApril 18, 2020 at 8:01 AM

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  30. Chetan chandelApril 18, 2020 at 8:07 AM

    Drill ans...
    1 a) 50N + 50N= 100N
    b) 50n-50n = 0n
    (balanced force)

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