Force and Motion
The symbol for force is?
What is F
an arrow whose length represents the magnitude of a quantity and whose direction represents the direction of a quantity
What is a vector?
With no gravity a projectile would follow a ____ line path.
What is straight
If a track star runs a 100 meters in 10m/s, how many seconds does it take to run the 100 meters?
10 seconds
Your Principal's first name
What is Douglas?
The formula for force is
What is F=ma
two examples of vectors are
What is displacment, velocity, acceleration etc.
A projectile is
What is any object that moves through the air or through space, acted on only by gravity (and air ressitance if any)
If a man rolls down a hallway in a spiny chair going .4 m/s and travels a distance of 43 meters, what is his speed?
107.5 seconds :)
Dr Blaisdell's middle name
What is Augustus?
An example of a type of force is
gravitational, air resistance, push, pull etc.
1 bird is flying at a velocity of 360 m/s south and another bird is flying 140 m/s north. The resulting vector velocity of the 2 birds is
What is 220 m/s south
A building is 5m tall and a ball is thrown 20m from the top of the building. The initial speed of the ball must have been
What is 20m/s
this object measures mi/h and km/h
What is a speedometer
what does m/s stand for?
meters per second
Motion is
What is a change in distance or location between an object and a reference point.
La próxima semana, el lunes es
Memorial Day
A projectile is shot at an angle into the air. Neglecting air resistance, its horizontal acceleration is
What is Zero
name the two forces that effect falling objects
Gravity and air resistance
Which of the following statements best descibes the force of the Earth's gravity on a rocket moving upward? A.The gravitational forces is constant for all altitudes. B.The gravitational farce is weaker when the rocket is higher. C.The gravitational force is stronger when the rocket is higher.
B. The gravitational force is weaker when the rocket is higher.
A 3 unit and a 4 unit vector in teh same direction combine to form a resultant vector of
what is 7 units in the same direction
At the instant a horizontally held rifle is fired, a bullet held at the rifle's side is released and drops to the ground. The first bullet to strike the ground is, the one fired from the rifle or the one dropped?
What is both bullets fall at the same vertical distance with the same acceleration and there for strike the ground at the same time.
Формула плотности
What is d = m/v