Newton's Laws
Newton's 1st Law
What is 'an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by a force'?
This is the definition of a force.
What is a push or pull that causes an object to move?
Physics is the study of...?
What is matter and its motion through space and time.
BONUS 100PTS: What is matter?
This force pulls the plane down toward the Earth.
What is weight?
When a football is thrown from the ground and it lands, it makes this shape (think about algebra)
What is a parabola?
Newton's Second Law of Motion states that force equals acceleration times this.
What is mass?
If you apply a smaller force to an object, what happens to its acceleration, assuming the mass stays the same?
What is it decreases?
Velocity is different from speed because speed is a ___ and velocity is a ____.
What is 'a scalar' and 'a vector' (respectively)?
This force acts upward against gravity and is generated by the wings.
What is lift?
The velocity of a car that traveled 20 meters in 4 seconds
What is 5m/s?
Newton's Third Law of Motion
What is every action has an equal and opposite reaction?
If a ball hits a wall, the force the ball exerts on the wall is ____ the force the wall exerts on the ball.
What is 'equal to'?
A scalar is different from a vector because a vector has what?
What is a direction?
Why must thrust be greater than drag?
How much time would it take for a car moving at 30m/s to travel 300 meters?
What is 10 seconds?
According to Newton's 3rd Law, if a 40N force is applied to the ground when an object falls, how much force does the ground apply back to the object?
What is 40N?
If a 10 kg object is accelerating at 3 m/s², what is the force acting on it?
What is 30 N?
The path an object takes when thrown is called what?
What is the trajectory?
What two factors must be considered for the 'weight' force?
What are gravity and the mass of the plane?
How are velocity and acceleration different?
What is Velocity measures CONSTANT speed while Acceleration measures CHANGING speed?
According to Newton's Second Law, if the same force is applied to two objects of different masses, the object with less mass will have this acceleration.
What is greater acceleration?
In space, where there is very little friction, what would happen to a spacecraft if no external forces acted upon it?
What is that it would continue moving in a straight line at a constant speed?
Difference between displacement and distance?
What is
Distance = Scalar
Displacement = Vector
Since planes do not fly backwards or upside down, what forces must be greater than the others for a plane to land?
What is drag and weight must be greater than thrust and lift?
If I am walking at 6m/s then come to a stop within 2 seconds, what is my acceleration?
What is -3m/s2?