circular motion

The ball is travelling in a counter clockwise direction. Which represents the acceleration of the ball?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1

The ball is travelling in a counter clockwise direction. Which of the following depicts the direction of the velocity at the point shown?

• A

• B

• C

• D

moving or tending to move toward a center...

• centripetal force

• centrifugal force

• Tangent

• Curvature

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?

• A

• B

• C

• D

What is the direction of the velocity at point B, if the ball is revolving clockwise?

• up
• right
• down
• left

What is the direction of the acceleration at point A, if the ball is revolving clockwise?

• up
• right
• down
• left

What is the direction of the acceleration at point B, if the ball is revolving clockwise?

• up
• right
• down
• left

Tags

NGSS.HS-PS2-1

Which statement is true about an object that is traveling in uniform circular motion?

• The speed of the object varies.
• The net force on the object is directed toward the center of the circular path.
• The direction of the object's velocity is constant.
• The net force on the object is directed away from the center of the circular path.

Tags

NGSS.HS-PS2-4

What is the direction of the velocity at point A, if the ball is revolving clockwise?

• up
• right
• down
• left

If the radius of the string is 0.3 meters long and the stopper makes 5 revolutions per second, what is the speed of the stopper? (Hint: C=2πr)

• 9.4 m/s

• 6.8 m/s

• 11.7 m/s

• 3.5 m/s

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5