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Newton Test

Newton is love, Newton is life!!!

QuestionAnswer
What is Newton's First Law? An object at rest remains at rest, and an object in motion remains in motion, unless acted upon by an unbalanced force.
According to Newton’s First Law of Motion, why would a student on roller skates eventually stop moving? Friction will stop the student on roller skates.
What is inertia? It is resistance to a change in motion. More massive objects have more inertia.
Why do roller coasters need to have a lap bar or shoulder bar? So the person riding the roller coaster doesn't fly out of the ride and stays seated.
Which boxes will move? Which boxes will not move? The boxes that will move are box 1, box 2, and box 3. The box that won’t move is box 4.
Show the net force calculation for each box. Box 1: 8N + 0N = 8N Box 2: 5N - 2N = 3N Box 3: 6N + 6N + 6N = 18N Box 4: 7N - 3N = 4N - 4N = 0N
What is Newton’s Second Law of Motion? Acceleration is produced when unbalanced forces act on a mass.
What is acceleration? What causes acceleration? Acceleration is a change in speed OR direction of motion. An unbalanced force causes acceleration.
What is Newton’s Third Law of Motion? For every action, there is an equal, but opposite reaction.
A basketball hits the floor with a force of 50N. What is the force and direction exerted by the floor on the ball? The floor hits back with a force up 50N but the direction is changed to upwards because of Newton’s Third Law.
What forces cause a rollerskater to move? A push off the ground backwards makes the wheels on a rollerskater to move.
Created by: Matthewosley6