Newton
Gravity and motion
Misc. 2
Newton 2
Misc.
100
If a tennis ball and a baseball and a golf ball are dropped together from a high place, which one wil land first?
What is They land at the same time
100
Why does a crumpled piece of paper land before a flat sheet of paper
What is there is more air resistance on the flat sheet of paper
100
What happens when a moving bumper car hits a bumper car at rest. describe in terms of momentum
What is The car at rests gains momentum
100
Whenever one object exerts a force on a second object the second object exerts an equal and oppose force on the first
What is Newton's Third Law
100
The product of mass and velocity
What is momentum
200
Is the force of gravity and the force of propulsion a action/reaction force pair
What is NO
200
Why doe astronauts in an orbiting spacecraft seem weightless
What is they are both in freefall together
200
What must you know to find the momentum of and object
What is mass and velocity
200
The curved path something follows when it is thrown near the earth's surface.
What is projectile motion
200
orbiting is caused by the forward motion of a spacecraft combined with ________________
What is Free Fall
300
Acceleration is caused by a force acting on a mass
What is Newton's 2nd law
300
Why does a ball thrown level to the ground move downward
What is gravity pulls the ball towards the ground
300
WHat is true about momentum when all objects collide
What is momentum is conserved/ does not change
300
The tendancy for all objects to resist change in motion
What is inertia
300
If mass equals 10 kg and acceleration equals 2 m/s2. What is the equation for calculating force and what is the magnitude of that force
What is f=ma = 20 N
400
An object at rest stays at rest, an object in motion stays in motion.
What is Newton's first law
400
The velocity of a falling object when gravity is balanced by air resistance
What is terminal velocity
400
States that the total amount of momentum stays the same when objects collide.
What is the law of conservation of momentum
400
The unbalanced force that causes objects to move in a circular motion
What is centripetal force
500
The acceleration of an object depends on the mass and the force applied
What is Newton's second law
500
See drawing on board. Which one will hit first
What is They will land at the same time
500
What will be the result of this collision- See demonstration
What is car 1 will bounce backwards slightly while car 2 will move forward slowly. The momentum is conserved.
500
If a ball is in the air for 3 seconds. Approximately, what was it's change in velocity
What is gt= 10 * 3= 30 m/s
500
If velocity is 10m/s and mass is 2 kg. What is the momentum
What is 20 kg.m/s = p=mv
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