4thQ Review part I

Which of the following composed the two linear motions of a projectile?

• Horizontal and Circular Motion

• Vertical and Circular Motion

• Horizontal and Vertical Motion

• Vertical and Curvilinear Motion

What is referred to as an object that is given an initial velocity and is then acted solely upon by gravitational force?

• Project

• Projectile

• Target

• Trajectory

What do you call the path followed by a projectile?

• Project         

• Projectile

• Target

• Trajectory

What is the shape of the trajectory of a projectile?

• Circular

• Elliptical

• Hyperbolic

• Parabolic

What force enables objects to fall on to the ground?

• Frictional Force

• Magnetic Force

• Gravitational Force

• Tension Force

If you throw a baseball straight up, what will its vertical velocity be at the highest point?

• 0m/s

• 9.8m/s

• 0m/s2

• -9.8m/s2

At what axis in the cartesian coordinate system is horizontal motion usually associated?

• x-axis

• z-axis

• y-axis

• w-axis

What is the acceleration of a freely-falling object on earth?

• 9.8 m/s2

• 6.4 m/s2

• -9.8 m/s2

• Cannot be determined

Which of the following statements BEST shows horizontal motion?

• A bird catching its prey

• A cheetah leaping to catch a prey

• Skateboarding in a U ramp

• Running in a 100-yard dash

Vertical motion is a type of motion that is affected by gravity. Which of the following satisfies an object moving in vertical motion?

• Book on top of a table       

• Ball on the fifth floor of a building 

• Chandelier suspended in a ceiling

• Fruit falling from a tree