Gravity
This is the man responsible for coming up with the idea of universal gravitation.
Who is Isaac Newton?
A 1,500kg car pulled the emergency brake and is skidding in a 10m radius circle in the parking lot, it takes 1.75 s to complete the circle's skid marks. What does 1.75s represent in this problem?
What is the period?
As radius increases, centripetal force...
What is decreases?
According to Kepler's first law, this is the shape of the path the planets make around the sun.
What is an ellipse?
A 1,500kg car pulled the emergency brake and is skidding in a 10m radius circle in the parking lot, it takes 1.75 s to complete the circle's skid marks. This is how far the car travelled in 1.75 seconds.
What is 62.8 m?
The force of gravity is directly proportional to this value.
What is the mass of either object?
As you increase the radius of a disc in uniform circular motion, this happens to linear velocity.
What is tangential velocity increases?
A ball of mass 50 g attached to a rope of length 2.5 m is whirled in a vertical circle at a tangential velocity of 5 m/s. Calculate the centripetal force acting on the ball
What is 500N?
Which is stronger, Earth's pull on the Moon, or the Moon's pull on the Earth?
What is they pull on each other equally?
What is 0.5 seconds?
The force of gravity is inversely related to the square of this value.
What is the distance between the two objects?
As you increase the radius of a disc spinning in uniform circular motion, this happens to angular velocity.
What is it stays the same?
This is the shape of the orbit in which the satellite travels at a constant speed at a constant distance from the massive body.
What is circular?
As a planet's orbit lengthens its radius, this is likely to happen to its length of year, as defined Kepler's _____ law.
What is the length of year will increase (T^3/r^2) which is Kepler's third law?
A 1,500kg car pulled the emergency brake and is skidding in a 10m radius circle in the parking lot, it takes 1.75 s to complete the circle's skid marks. What is the angular velocity of this car?
What is 3.5 rad/s?
When a planet is furthest from its star, describe its motion in terms of distance travelled, time and speed.
What is the planet travels less distance in the same amount of time and therefore at less speed than when closer to its star?
When an object has uniform circular motion, it moves in a circle at a constant ____________.
What is speed?
You drive too fast around a curve and the car starts to skid. What is the centripetal force needed to keep the car moving in a circular motion?
What is friction?
This is the law that describes the speed of the planets as they orbit the sun.
What is the second law/the law of equal areas?
This is the net force of a 5kg object moving at 7m/s in a circle that has a radius of 10m.
What is 24.5N?
This is what happens to the force of gravity when the masses of each object double and the distance between the object doubles.
What is nothing/stays the same?
This is the force or combination of forces that causes an object to move in a circle.
What is centripetal force?
When a satellite is furthest from the massive body it orbits, this is low
What is speed?
An ellipse has two of these.
What are foci?
A 1,500kg car pulled the emergency brake and is skidding in a 10m radius circle in the parking lot, it takes 1.75 s to complete the circle's skid marks. What is the strength of the Friction Force?
What is 122.5 N?