1. A truck loaded with sand accelerates along a highway. The driving force on the truck remains constant. What happens to the acceleration of the truck as its trailer leaks sand at a constant rate through a hole on its bottom? a. It decreases at a steady rate b. It remains constant. c. It increases at a steady rate. d. It increases then decreases 2. Which of the following follows the Law of Action and Reaction? a. Falling forward in transport when sudden breaks are applied. b. Object thrown from a certain height. c. kicking hard a stationary ball. d. During swimming, a swimmer moves ahead. answer only

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: