Everything Science Grade 11

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.3 and the normal force present in this situation. SOLUTION Step 1 : Draw a force diagr ...

12.3 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Example 22: Coefficients of friction QUESTION A block of wood weighing 32 N is place ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.3 What force T at an angle of 30◦above the horizontal, isrequired to drag a blockweig ...

12.3 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Forces in equilibrium ESBFB At the beginning of thischapter it was mentioned that re ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.3 As an example of an object in equilibrium, consider an object held stationary by two ...

12.3 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Example 23: Equilibrium QUESTION A car engine of weight 2000 N is lifted by means of ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.3 exactly balances the weight of the engine. The tension in the chain is: Tchain = Fg ...

12.3 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE � T θ F W The point Q is in equilibrium due to threeforces F 1 , F 2 and F 3 acting ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.3 B 13 N due north and 13 N due west C 15 N due north and 7N due west D 15 N due north ...

12.4 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE m 70 cm A rope is tied at twopoints which are 70 cmapart from each other, on the sa ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.4 The magnitude of the attractive gravitational force between the two point masses, F ...

12.4 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Since it doesn’t matterwhat mois, this tells us that theacceleration on a body(due t ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.4 Step 3 : Situation on Earth wE = mgE= G mE· m rE^2 = (70kg)(9,8m· s−^2 ) = 686N Step ...

12.4 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Step 3 : Situation on Earth wE = mgE= G mE· m r^2 E = (70kg)(9,8m· s−^2 ) = 686N Ste ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.4 (d) 16 R A satellite experiences a force F when at the surface of the Earth. What w ...

12.5 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 Momentum and Impulse Momentum is a physical quantity which is closely related t ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 Example 26: Momentum of a Soccer Ball QUESTION A soccer ball of mass420 g is kicked ...

12.5 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE tum of the cricket ball. SOLUTION Step 1 : Identify what information is given and wh ...

CHAPTER 12. FORCE,MOMENTUM AND IMPULSE 12.5 The magnitude of the average velocity is the same as the speed. Therefore: s = d Δt ...

12.5 CHAPTER 12. FORCE,MOMENTUM AND IMPULSE Example 29: Calculating the Total Momentum of a System QUESTION Two billiard balls r ...