Force and Motion Assessment Jeopardy Gravity & Gravity & Newton’s Motion 1 Motion 2 Laws Momentum 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500 21 & 22 1. 2. 3. 4. If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first? The cannonball The baseball The balls land at the same time. The ball with the larger volume 1. 2. 3. 4. If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first? The cannonball The baseball The balls land at the same time. The ball with the larger volume Return to Jeopardy Board What feature of an object does NOT affect air resistance? Its sizes 2. Its chemical properties 3. Its shape 4. Its speed 1. What feature of an object does NOT affect air resistance? Its sizes 2. Its chemical properties 3. Its shape 4. Its speed 1. Return to Jeopardy Board Why do astronauts in space appear weightless? There is no gravity in space. 2. Air resistance opposes gravity 3. They have no mass in space 4. They are in free fall 1. Why do astronauts in space appear weightless? There is no gravity in space. 2. Air resistance opposes gravity 3. They have no mass in space 4. They are in free fall 1. Return to Jeopardy Board Which is true about the reaction force of a chair you are sitting on? The force is greater than your weight 2. The force is equal to your weight 3. The force is determined by many factors 4. The force varies 1. Which is true about the reaction force of a chair you are sitting on? The force is greater than your weight 2. The force is equal to your weight 3. The force is determined by many factors 4. The force varies 1. Return to Jeopardy Board Which is a common unbalanced force acting on objects in motion? inertia 2. acceleration 3. friction 4. speed 1. Which is a common unbalanced force acting on objects in motion? inertia 2. acceleration 3. friction 4. speed 1. Return to Jeopardy Board When a bowling ball collides with a bowling pin, the momentum of the ball 1. 2. 3. 4. Increases slightly as the velocity of the pin increases Decreases slightly as the velocity of the pin increases Decreases slightly as the velocity of the pin decreases Does not change at all When a bowling ball collides with a bowling pin, the momentum of the ball 1. 2. 3. 4. Increases slightly as the velocity of the pin increases Decreases slightly as the velocity of the pin increases Decreases slightly as the velocity of the pin decreases Does not change at all Return to Jeopardy Board The law of conservation of momentum states that when two objects collide, their combined momentum Increases after the collision 2. Remains the same after the collision 3. Decreases after a collision 4. Cannot be determined after the collision 1. The law of conservation of momentum states that when two objects collide, their combined momentum Increases after the collision 2. Remains the same after the collision 3. Decreases after a collision 4. Cannot be determined after the collision Return to Jeopardy Board 1. If an action is a cue ball hitting a billiard ball, then the reaction force is Exerted on the table 2. Exerted on all the other billiard balls 3. Not present 4. Exerted by the billiard ball on the cue ball 1. If an action is a cue ball hitting a billiard ball, then the reaction force is Exerted on the table 2. Exerted on all the other billiard balls 3. Not present 4. Exerted by the billiard ball on the cue ball 1. Return to Jeopardy Board Which of the following objects has the least accleration? An empty shopping cart pushed with a hard force 2. A full shopping cart pushed with a hard force 3. An empty shopping cart pushed with a light force 4. A full shopping cart pushed with a light force 1. Which of the following objects has the least accleration? An empty shopping cart pushed with a hard force 2. A full shopping cart pushed with a hard force 3. An empty shopping cart pushed with a light force 4. A full shopping cart pushed with a light force Return to Jeopardy Board 1. When a moving bumper car collides with a bumper car at rest, which of the following occurs? 1. 2. 3. 4. Momentum is transferred to the car at rest Momentum is transferred to ground beneath the cars. Momentum is transferred to the moving car There is no transfer of momentum When a moving bumper car collides with a bumper car at rest, which of the following occurs? 1. 2. 3. 4. Momentum is transferred to the car at rest Momentum is transferred to ground beneath the cars. Momentum is transferred to the moving car There is no transfer of momentum Return to Jeopardy Board A crumpled piece of paper hits the ground before a flat sheet of paper because 1. 2. 3. 4. The acceleration of gravity is greater on the crumpled paper There is more air resistance against the flat paper The crumpled paper is more massive The crumpled paper is less massive. A crumpled piece of paper hits the ground before a flat sheet of paper because 1. 2. 3. 4. The acceleration of gravity is greater on the crumpled paper There is more air resistance against the flat paper The crumpled paper is more massive The crumpled paper is less massive. Return to Jeopardy Board Orbital motion is a combination of forward motion and 1. 2. 3. 4. Frictional resistance Free fall Horizontal acceleration weightlessness Orbital motion is a combination of forward motion and 1. 2. 3. 4. Frictional resistance Free fall Horizontal acceleration weightlessness Return to Jeopardy Board According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will 1. 2. 3. 4. Remain in motion Eventually come to a stop Change its momentum accelerate According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will 1. 2. 3. 4. Remain in motion Eventually come to a stop Change its momentum accelerate Return to Jeopardy Board What must you know to find the momentum of an object? 1. 2. 3. 4. Mass and acceleration Acceleration and force Mass and velocity Velocity and time What must you know to find the momentum of an object? 1. 2. 3. 4. Mass and acceleration Acceleration and force Mass and velocity Velocity and time Return to Jeopardy Board What makes it harder to change the motion of a watermelon than an apple? acceleration 2. momentum 3. mass 4. velocity 1. What makes it harder to change the motion of a watermelon than an apple? acceleration 2. momentum 3. mass 4. velocity 1. Return to Jeopardy Board Air resistance causes the speed of a falling object to increase 2. decrease 3. Remain unchanged 4. Become zero 1. Air resistance causes the speed of a falling object to increase 2. decrease 3. Remain unchanged 4. Become zero 1. Return to Jeopardy Board A feather is in free fall when the force of gravity 1. 2. 3. 4. Is greater than the force of air resistance Is less than the force of air resistance Is equal to the forces of air resistance Is the only force acting on it A feather is in free fall when the force of gravity 1. 2. 3. 4. Is greater than the force of air resistance Is less than the force of air resistance Is equal to the forces of air resistance Is the only force acting on it Return to Jeopardy Board A falling object’s terminal velocity is reached when the force of gravity 1. 2. 3. 4. Is greater than the force of air resistance Is less than the force of air resistance Is equal to the forces of air resistance Is the only force acting on it A falling object’s terminal velocity is reached when the force of gravity 1. 2. 3. 4. Is greater than the force of air resistance Is less than the force of air resistance Is equal to the forces of air resistance Is the only force acting on it Return to Jeopardy Board Why do you have to aim above a target that you want to hit with a thrown object? How does Newton’s second law explain why it is easier to push a bicycle than to push a car with the same acceleration? How does Newton’s third law explain how a rocket takes off? How can a sky diver benefit from air resistance?