Question Two a. State the three Newton's laws of motion giving the equations governing them(3 marks)...

 

Transcribed Image Text:

Question Two a. State the three Newton's laws of motion giving the equations governing them(3 marks) b. Derive the Newton's second equation of motion. (4 marks) c. A wooden box of mass 30 kg rests on a rough floor. The coefficient of friction between the floor and the box is 0.6.Calculate i. The force required to just move the box (2 marks) ii. If a force of 200 N is applied the box with what acceleration will it move? (2 marks) d. Differentiate between elastic and in elastic collisions (4 marks) e. Find the distance traveled by a car in the 7th second if it has an initial velocity of 10m/s and accelerating at the rate of3m/sec² (5 marks) Question Two a. State the three Newton's laws of motion giving the equations governing them(3 marks) b. Derive the Newton's second equation of motion. (4 marks) c. A wooden box of mass 30 kg rests on a rough floor. The coefficient of friction between the floor and the box is 0.6.Calculate i. The force required to just move the box (2 marks) ii. If a force of 200 N is applied the box with what acceleration will it move? (2 marks) d. Differentiate between elastic and in elastic collisions (4 marks) e. Find the distance traveled by a car in the 7th second if it has an initial velocity of 10m/s and accelerating at the rate of3m/sec² (5 marks)

Answer rating: 100% (QA)

a Newtons laws of motion First law An object at rest will stay at rest and an object in motion will ... View the full answer