What is an object at rest remains at rest and an object in motion remains in motion unless acted on by an unbalanced force.
100
State Newton's second law
What is f=ma
100
State Newton's 3rd law
What is for every action there is an equal and opposite reaction force.
100
As mass increases, gravitational force _______
What is increases
100
What is Newton's first name?
What is Isaac
200
The tendency of an object at rest to remain at rest or, if moving to continue moving at a constant velocity.
What is Inertia
200
Force is measured using what units?
What is Newton
200
the property of all moving objects that is equal to the product of mass and velocity
What is momentum
200
As distance increases, gravitational force ______
What is decreases
200
the curved path an object follows when launched near the surface of the earth
What is projectile motion
300
Having inertia means all objects resist a changes in ______
What is motion
300
What is the force required for a 2 kg car to accelerate forward at 2.0 m/s^2
What is 4 N
300
a 10 kg skateboard moves at velocity of 3 m/s. What is the momentum?
What is 30kgm/s
300
______ is equal to mass times free-fall acceleration.
What is Weight
300
Your ______ changes in space but your _______ stays the same
What is weight, mass
400
If a car with a ladder on the roof that is not secure hits a wall, what happens to the ladder? What is the unbalanced force causing the change in motion of the car?
What is the ladder flys off the roof. The wall exerts the force on the car
400
What is the acceleration of a boy on a skateboard if the unbalanced forward force on the boy is 15N and the total mass is 58 kg?
What is 0.26 m/s^2
400
What is the momentum of a seated 48.5kg passenger on a train that is stopped?
What is 0
400
When gravity is the only force acting on an object, the object is said to be in _____________
What is free fall
400
When dropped in a vacuum, what will hit the ground first: an elephant or a feather?
What is they land at the same time
500
Give an example of Newton's first law.
What is _____________________ answers will vary
500
Give an example of Newton's second law.
What is _________________ open ended
500
Give an example of Newton's 3rd law
What is a rocket
500
When air resistance becomes equal to gravitational force, an object reaches __________________
What is terminal velocity
500
when dropped at the same time, a crumpled piece of paper will fall faster than a normal sheet of paper because of _________ __________