Two postal delivery workers have different routes. They both travel from the post office, to neighborhoods to deliver mail and then back to the post office. Which statement must be true about the two postal delivery workers?, They travel the same distance., They have the same velocity, They each travel a distance of 0 miles, They each have a displacement of 0 miles, Matt is walking at 1.25 miles per hour to the east. Jaime is walking at 1.25 miles per hour to the south. Which statement describes the movement of Matt and Jaime?, They have different speeds and different velocities, They have different speeds but the same velocity, They have the same speed and the same velocity, They have the same speed but different velocities, Which statement correctly compares his motion during the first 10 minutes to his motion during the last 10 minutes?, His acceleration increases during the first 10 minutes and decreases during the last 10 minutes., He is going slower and in a different direction during the first 10 minutes than in the last 10 minutes, He is going faster and in a different direction during the first 10 minutes than in the last 10 minutes, He is speeding up during the first 10 minutes and slowing down during the last 10 minutes, What does a horizontal line on a position-time graph indicate about the object?, The object is accelerating, The object has a constant, nonzero velocity., The object remains still, The object has a position of zero, A force acts on an object. Which option describes an action that could prevent the object from moving?, a force applied in the opposite direction with a greater magnitude at the same time, a force applied in the opposite direction with the same magnitude at the same time, a force applied in the same direction with a greater magnitude at the same time, a force applied in the same direction with the same magnitude at the same time, Which option is the force with the greatest magnitude?, the force needed to lift a textbook, the force needed to lift a hairbrush, the force needed to lift a pencil, the force needed to lift a chair, A box is against a wall. A person pushes on the box, but the box does not move. Is this situation an example of a force?, No, this is not an example of a force because a force pulls an object., No, this is not an example of a force because the box did not move., Yes, this is an example of a force because gravity is pulling the box down, Yes, this is an example of a force because a force is a push or pull., Which situation describes a non-contact force changing the speed of an object?, a bicycle accelerating as the rider pedals more quickly, a ball accelerating as it rolls down a hill, a gust of wind blowing a leaf away, a drawer opening when a user pulls the handle, In which situation would the momentum of a moving object increase?, A force acting in the direction opposite the object’s motion is removed from the object, Two forces of equal magnitude act on the object in opposite directions., A force acting in the direction of the object’s motion is removed from the object., A new force acts on the object, opposing the object’s motion, When you trip, your foot stops, but your body continues to move forward. Which statement best explains why this happens?, The unbalanced force that stops your foot pulls your body forward, Newton's Second Law of Motion pushes your body forward after your foot stops, An unbalanced force stops your foot but does not act on the rest of your body., An unbalanced force pushes your body forward, A bowler throws a ball down the lane toward the pins. The ball reaches the pins and slowly moves through them, knocking down the center pins but leaving the end pins standing. The bowler wants the ball to reach all the pins. Which changes should the bowler make so that the ball has a greater acceleration?, The bowler should choose a ball with more mass or throw the ball with more force., The bowler should choose a ball with more mass or throw the ball with less force, The bowler should choose a ball with less mass or throw the ball with more force, The bowler should choose a ball with less mass or throw the ball with less force., In which situation does the reactive force between two colliding objects cause a physical change?, a swing hitting another swing, causing the second swing to move away, two bumper cars at an amusement park colliding, causing both cars to change direction, the exhaust from a rocket thrusting the rocket away from the ground, a baseball player swinging a bat and hitting a baseball, causing the bat to shatter, A sledgehammer is swung at a wall. Once the sledgehammer hits the wall it does not breakthrough. How do the hammer and the wall act on each other?, The hammer exerts a stronger force than the wall but in the same direction, The hammer exerts a stronger force than the wall but in the opposite direction, The hammer and the wall exert forces on each other that are equal in magnitude and in the same direction, The hammer and the wall exert forces on each other that are equal in magnitude but in opposite directions

Force and motin unit test

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