Physics 1

physics1.docx

Q1: A train collides with a car on a railroad. Which one would have a greater impact force (in magnitude)? Explain your answer with the method you used.

Your answer:

Q2: A car with a mass of 950kg has an acceleration of 2.15 m/s^2. What Is the net force produced by this car in Newton? Explain in your own words how did you solve this question, (explain each step including your method, equation etc.)

Your answer:

Q3: Explain Newton's First Law in your own words and give an example.

Q4: explain what is energy and work. Explain how are they related ( in your own words ).

Q5: A car tows a trailer for a distance of 100m. If the work done is 6000 J, find the force car exerts on the trailer.

Assume; car exerts a horizontal force on the trailer. Explain in your own words how did you solve this question. (Explain each step including your method, equation etc.)