Question

1. bumper a has been removed. which of the following best describes the motion of the hockey puck after it hits bumper b? a. the hockey puck will continue to travel in a straight line until it comes to rest. b. the hockey puck will begin to travel at a faster velocity now that bumper a is no longer in its path. c. the hockey puck will continue to travel in a straight line at a constant velocity. d. the hockey puck will come to rest after it hits bumper b. question 11 * 1 point 11. justin claims that newtons first law of motion explains why the hockey puck changes direction every time it hits a bumper. which of the following statements best justifies justins claim about the scenario above? a. the hockey puck stopped traveling in a straight line and changed directions because the bumpers applied an unbalanced force onto the hockey puck. b. the hockey puck stopped traveling in a constant velocity and came to rest because the bumpers applied an unbalanced force onto the hockey puck. c. the hockey puck continued to travel in a straight line at a constant velocity because it did not experience an unbalanced force. d. the hockey puck continued to travel in straight lines at a constant velocity even after experiencing an unbalanced force.

Explanation:

• Question 10: According to Newton's first law (law of inertia), an object in motion will stay in motion with a constant velocity in a straight - line path unless acted upon by an unbalanced force. After hitting Bumper B, if we assume no other unbalanced forces (like friction is negligible), the hockey puck will continue to travel in a straight line at a constant velocity.
• Question 11: Newton's first law states that an object will maintain its state of motion (either at rest or moving with a constant velocity in a straight line) unless an unbalanced force acts on it. When the hockey puck hits a bumper, the bumper applies an unbalanced force, causing it to stop traveling in a straight line and change directions.

Answer:

• Question 10: C. The hockey puck will continue to travel in a straight line at a constant velocity.
• Question 11: A. The hockey puck stopped traveling in a straight line and changed directions because the bumpers applied an unbalanced force onto the hockey puck.