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Questions and Answers
What is the formula to calculate centripetal acceleration for an object traveling along a circular path of radius $r$ with velocity $v$?
What is the formula to calculate centripetal acceleration for an object traveling along a circular path of radius $r$ with velocity $v$?
- $a = \frac{r}{v}$
- $a = \frac{v^2}{r}$ (correct)
- $a = \frac{r^2}{v}$
- $a = \frac{v}{r}$
What is a centripetal force?
What is a centripetal force?
- A fundamental force that acts on all objects in circular motion
- A net force that acts on an object to keep it moving along a circular path (correct)
- A force that causes an object to move in a spiral path
- A force that causes an object to move in a straight path
According to Newton’s 1ˢᵗ law, what happens to an object unless acted on by an external force?
According to Newton’s 1ˢᵗ law, what happens to an object unless acted on by an external force?
- It continues moving along a straight path (correct)
- It moves in a circular path
- It accelerates without any force
- It decelerates without any force
What is the tension force in the string of a swinging tethered ball an example of?
What is the tension force in the string of a swinging tethered ball an example of?
Which statement about the centripetal force is true?
Which statement about the centripetal force is true?
What kind of forces can be involved as long as they add up (by vector addition) to give a net force towards the center of the circular path?
What kind of forces can be involved as long as they add up (by vector addition) to give a net force towards the center of the circular path?
What is the centripetal force experienced by the mass [m_1 ext{ ?}
ight]
What is the centripetal force experienced by the mass [m_1 ext{ ?} ight]
What is the angular velocity of the mass [m_1 ext{ ?}
ight]
What is the angular velocity of the mass [m_1 ext{ ?} ight]
What is the magnitude of the centripetal acceleration for the car turning the corner?
What is the magnitude of the centripetal acceleration for the car turning the corner?
What is the minimum coefficient of static friction required for the car to make the turn without slipping?
What is the minimum coefficient of static friction required for the car to make the turn without slipping?
What is the relationship between linear velocity ([v ext{ }), angular velocity (\( ext{ω}
ight)
ight), and radius ([r ext{ }) in circular motion?
What is the relationship between linear velocity ([v ext{ }), angular velocity (\( ext{ω} ight) ight), and radius ([r ext{ }) in circular motion?
In which direction is the centripetal force acting on a mass in uniform circular motion?
In which direction is the centripetal force acting on a mass in uniform circular motion?
What happens to centripetal force if the radius of the circular path is doubled, with no change in speed?
What happens to centripetal force if the radius of the circular path is doubled, with no change in speed?
If a car makes a turn in a larger radius with the same speed, what happens to the minimum coefficient of static friction required?
If a car makes a turn in a larger radius with the same speed, what happens to the minimum coefficient of static friction required?
What is the relationship between centripetal acceleration ([a_c
ight)
ight), linear velocity ([v
ight)
ight), and radius ([r
ight)
ight) in circular motion?
What is the relationship between centripetal acceleration ([a_c ight) ight), linear velocity ([v ight) ight), and radius ([r ight) ight) in circular motion?
What happens to centripetal force if both mass and speed are doubled, with no change in radius?
What happens to centripetal force if both mass and speed are doubled, with no change in radius?
