1. Identifying Forces Around Us

2. Force A force is simply defined as a push or a pull Forces cannot be seen We do see or feel their effects however

3. Can you identify the forces at work in this situation ? Millie opened the fridge and brought out a chilled can of soda. She slammed it, opened the soda and gulped it down. She was upset it was finished too soon and so she crushed the can in her hand and threw the empty can into the bin."

4. How do we measure a force?

6. What can a force do ?

11. A force can speed up a moving object.

12. Types of forces Weight Gravity Friction Air resistance Water resistance

13. Who Am I ?

15. Why don’t we fall of the earth?

17. A million dollar question? Are mass and weight one and the same?

19. Relationship Between Mass & Weight Weight = Mass× Gravity or W=mg

20. Answer me ! Aleena has a mass of 56 kg. her weight on earth should be a.5.6 N b.560kg c.560 N d.560 g