What is the primary force that keeps an object moving in a circle?

Circular Motion and Gravitational Forces

Interactive Video
•
Physics, Science, Mathematics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gravitational force
Centripetal force
Magnetic force
Frictional force
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In uniform circular motion, what remains constant?
Direction
Speed
Acceleration
Velocity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When drawing a free body diagram for circular motion, which force is not included?
Velocity
Gravity
Centripetal force
Tension
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is critical velocity?
The speed at which an object falls
The minimum or maximum speed to complete a loop
The speed needed to maintain a circular path
The speed at which an object stops
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Newton's law of gravitation, what does the gravitational force between two objects depend on?
The color of the objects
The speed of the objects
The distance between the objects
The shape of the objects
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating the gravitational force between two masses?
F = m * a
F = k * q1 * q2 / r^2
F = G * (m1 * m2) / r^2
F = m * v^2 / r
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the gravitational potential energy calculated in a non-constant gravitational field?
U = k * q1 * q2 / r
U = -G * (m1 * m2) / r
U = 1/2 * mv^2
U = mgh
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