Objects fall to the ground at the same rate because of?
What is acceleration due to gravity
100
The constant velocity of a falling object when the force of air resistance is equal in the magnitude and opposite in direction to the force of gravity
What is terminal velocity
100
Why can a free fall only occur when there is no air
What is because air resistance is a force
100
What is the terminal velocity of hail stones
What is between 5 and 40 m/s
100
The tendency of an object to resist being moved, or. If the object is moving, to resist a changing speed or direction until an outside force acts upon the object
What is inertia
200
What is the formula for velocity
What is v=g*t
200
Motion of a body when only the force of gravity is acting upon it
What is free fall
200
The curved path that an object follows when thrown launched or otherwise projected near the surface of the Earth
What is projectile motion
200
If there was no air resistance what velocities would hail stones hit the ground at
What is 350 m/s
200
The accelerate of an object depends on the mass of the object and amount of force applied
What is Newton's second law of motion
300
What does the size of force depend on
What is masses of objects and distances between them
300
Measure of gravitational force?
What is weight
300
What are examples of projectile motion
What is a frog leaping, water sprayed by a sprinkler, or a swimmer diving into water, an arrow shot by an archer
300
What is the motion that is perpendicular to the ground
What is vertical motion
300
An objects acceleration increases as ________
What is the force of the object increases
400
What does g in the equation for velocity stand for
What is the acceleration due to gravity on eatth
400
2 places that have no air resistance
What is a vacuum and in space
400
An unbalanced force that causes objects to move in a circular path
What is centripetal force
400
Objects in projectile motion accelerate ________
What is downward
400
The acceleration of the object is always in the same direction ________
What is as the force is applied
500
What does t in the formula for velocity stand for
What is time the object takes to fall in seconds
500
Why do astronauts float in orbiting space crafts
What is free fall
500
What does centripetal mean
What is toward the center
500
What does Newton's first law of motion state
What is an object at rest remains at rest and an object in motion stays in motion at a constant speed in a straight line unless acted upon by an unbalanced force
500
Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first