When a train increases its velocity it's momentum ____________.
What is increases?
100
When a moving object collided with an object at rest, the following occurs______________________.
What is the momentum is transferred to the object at rest?
100
This determines the inertia of an object.
What is mass?
100
The force that opposes motion through air.
What is air resistance?
200
The action force will always be equal to the ______________.
What is the reaction force?
200
A bowling ball and a tennis ball where dropped at the same time from the same height. assume there is no air resistance, ___________ would hit the ground first.
What is neither? Both would hit at the same time.
200
Law of Conservation of Momentum states:
What is When two objects collide their combined momentum will remain the same after the collision?
200
This Law is also called the Law of Inertia.
What is Newton's 1st Law?
200
The path of one object around another in space.
What is orbit?
300
A common unbalanced force acting upon objects in motion.
What is friction?
300
Orbital motion is a combination of ________________ and _________________.
What is forward motion and free fall.
300
Momentum tells us that a 30kg ball that collides with a 20kg ball will result in ____________.
What is the 20kg ball bouncing back?
300
The acceleration of an object depends on it's mass and the force applied is Newton's ______ Law.
What is 2nd?
300
The tendency of all objects to resist any change in motion.
What is inertia?
400
An unbalanced force that caused objects to move in a circular path.
What is centripetal force?
400
A ball is thrown horizontally and follows a curved path downward because _________________________________.
What is the ball is accelerated in both vertical and horizontal directions?
400
Explain Newton's 1st Law.
What is an object at rest stays at rest and an object in motion will stay in motion unless acted on by an outside force?
400
Explain Newton's 3rd Law.
What is for every action there is an equal and opposite reaction. All forces act in pairs.
400
The velocity of a falling object when the force of gravity is balanced by the force of air resistance.
What is terminal velocity?
500
What is the acceleration of an 10Kg object when 5N of force is applied?
What is 0.5 m/s?
500
A 5 kg object would have less inertia than an object with a mass of 6,000g. True or false?
What is true?
500
A car with the mass of 1,400 kg moves along the ice with a constant velocity of 18 m/s. What is the car's momentum?
What is 25,200 kg x m/s?
500
What is the change of velocity for a rubber ball dropped off of the Stratosphere that hits the ground in 5 seconds?