Vertical Projectile Motion Quiz

What is the scientific definition of a projectile?

• An object moving at the speed of light

• An object moving in a circular path

• An object propelled by an engine

• An object acted upon by the force of gravity only

What force acts upon a projectile object?

• Friction force

• Gravity only

• Air resistance only

• Magnetic force

In which direction do objects in vertical projectile motion move?

• Vertical direction only

• Horizontal direction only

• Diagonal direction

• Circular direction

What is the value of acceleration for objects thrown into the air above planet Earth?

• 9.8 meters per second per second

• 5 meters per second per second

• 15 meters per second per second

• 20 meters per second per second

What happens to the velocity of a ball thrown upwards at 39.2 meters per second?

• Remains constant

• Doubles every second

• Increases at 9.8 meters per second every second

• Decreases at 9.8 meters per second every second

What is the acceleration value always acting on objects in vertical motion?

• 15 meters per second per second downwards

• 9.8 meters per second per second downwards

• 5 meters per second per second downwards

• 9.8 meters per second per second upwards

Can velocity and acceleration work in opposite directions?

• Depends on the object

• No

• Yes

• Sometimes

What is the value of acceleration on the moon?

• 15 meters per second per second

• 1.4 meters per second per second

• 9.8 meters per second per second

• 5 meters per second per second

What happens to the speed of an object when acceleration is acting in the opposite direction?

• Slows down

• Speeds up

• Reverses direction

• Remains constant

What is the implication of an acceleration value of 9.8 meters per second per second?

• Speed increases by 9.8 meters per second every second

• Speed decreases by 9.8 meters per second every second

• Speed remains constant

• Speed doubles every second