1. Physics Pre-Test

2. Please make your selection... 1.Choice One 2.Choice Two 3.Choice Three 4.Choice Four 5 Seconds Remaining

3. Newton’s 1 st Law of motion applies 1.To moving objects 2.To objects that are not moving 3.To objects that are accelerating 4.Both 1 and 2 Answer Now

4. A golf ball and a bowling ball are moving at the same velocity. Which has more momentum? 5 Seconds Remaining 1.The golf ball because it has less mass 2.The bowling ball because it has more mass 3.They both have the same momentum because they have the same velocity 4.There is no way to know without additional information

5. If a tennis ball, solid rubber ball and solid steel ball were dropped from the same height at the same time, which would hit the ground first? 5 Seconds Remaining 1.The tennis ball 2.The rubber ball 3.The steel ball 4.They would all hit at the same time

6. Orbital motion is a combination of forward motion and 5 Seconds Remaining 1.Frictional resistance 2.Free fall 3.Horizontal acceleration 4.weightlessness

7. According to Newton’s 1 st law of motion, a moving object that is not acted on by an unbalanced force will 5 Seconds Remaining 1.Remain in motion 2.Eventually come to a stop 3.Transfer its energy to another object 4.Accelerate in the absence of friction

8. All objects accelerate toward the Earth at a rate of 9.8 m/s 2. This means that for every second that an object falls, its downward velocity 5 Seconds Remaining 1.Increases by 9.8 m/s 2.Decreases by 9.8 m/s 3.Stays at 9.8 m/s 4.None of the above

9. A ball is dropped from a rooftop. What is the ball’s velocity after 3 sec? 5 Seconds Remaining 1.0 m/s 2.9.8 m/s 3.19.6 m/s 4.29.4 m/s

10. The amount of air resistance acting on an object depends on the object’s 5 Seconds Remaining 1.Size and shape 2.Mass and weight 3.Density and mass 4.None of the above

11. Newton’s 2 nd Law of Motion states that and object’s acceleration 5 Seconds Remaining 1.Increases as its mass decreases and as the force acting on it increases 2.Decreases as its mass decreases and as the force acting on in increases 3.Increases as its mass increases and as the force acting on it increases 4.Decreases as its mass increases and as the force acting on it increases

12. Newton’s 3 rd Law of Motion states that whenever one object exerts a force on a second object 1.The second object exerts an equal and opposite force on a third object 2.The first object is unaffected by that force 3.The second object exerts and equal and opposite force on the first object 4.The second object exerts a less powerful force on the first object 5 Seconds Remaining

13. Which of the following will have the greatest air resistance? 5 Seconds Remaining 1.An acorn 2.A crumpled up sheet of paper 3.A flat sheet of notebook paper 4.An apple

14. If a car driver suddenly makes a sharp turn, the passenger slides to the side of the car because of 5 Seconds Remaining 1.inertia 2.Free fall 3.gravity 4.friction

15. When you bump into someone standing still, you knock them over because of 5 Seconds Remaining 1.Projectile motion 2.momentum 3.gravity 4.friction