When an object moves in uniform circular motion, the direction of its acceleration is __.
Directed towards the center of the circular path.
(centripetal)
A car goes around a circular curve on a horizontal road at constant speed. What is the direction of the friction force on the car due to the road?
Directed to the center of the circular path that the car is on.
Value of the Universal Gravitational Constant
6.667 x 10^-11 m^3/Kgs^2
True or False: If you went to another planet, your weight would be the same as your weight on Earth
False
The part of velocity that changes in uniform circular motion
Direction
The ability to accelerate while maintaining constant velocity
changing direction
When a car goes around a circular curve on a horizontal road at constant speed, what force causes it to follow the circular path?
The friction force from the road on the car.
The time it takes for an object to complete one trip around a circular path
Period
The value you exert on the earth if it does 70N of force on you
What is 70N
The place a passenger feels the heaviest in a Ferris Wheel and their weight is found by combining Fg and Fc at what point
The bottom
What is the centripetal force exerted on a 1.5 kg object that is spinning at 250 rev/min? The object is .15 m from the axis of rotation of a centrifuge.
~154 N.
A 6.0 kg stone is swung in a vertical circle of radius 2.0 m. What is the minimum speed of the stone at the top of the circle?
4.4 m/s
Is the reason an object in uniform circular motion fly's off in a straight line.
Following its inertia
The gravitational force between two objects is F if masses of both the objects are halved without altering the distance between them
1/4
The equation for orbital velocity around earth
v = sqrt(Gme / r)
A roller coaster car (mass = M) is on a track that forms a circular loop (radius = r) in the vertical plane. If the car is to just maintain contact with the track at the top of the loop, what is the minimum value for its speed at that point?
The vector version of speed for Uniform circular motion
Tangential Velocity
When the mass of an object is doubled, its acceleration due to gravity would be
Unchanged
The velocity of a car with a centripetal acceleration of 4m/s2 moving at a radius of 9m
6 m/s
A 2.0-kg ball is moving with a constant speed of 5.0 m/s in a horizontal circle whose diameter is 1.0 m. What is the magnitude of the net force on the ball?
100 N
The coefficient of friction for a .90 kg stone on a turntable is .24 . The stone is located .25 m from the center of the turntable. What is the maximum speed with which the stone can travel along its circular path before it slides off the turntable?
.77 m/s
The sum of the forces causing an object to move in uniform circular motion
Centripetal force
The centripetal acceleration of a 4.0x102-kilogram satellite is in a circular orbit at an altitude of 5.0x 106 meters. The orbital speed of the satellite is 6.0x103 meters per second and the radius of the Earth, R, is 6.4x106 meters.
What is 3.2 m/s2?
A roller coaster car is on a track that forms a circular loop in the vertical plane. If the car is to just maintain contact with track at the top of the loop, what is the minimum value for its centripetal acceleration at this point?