circular motion

Which represents the acceleration of the ball?

• A
• B
• C
• D

Which of the following depict the speed of the blowing ball?

• A
• B
• C
• D

What's the acceleration of gravity of a planet with a mass of 1 x 10²⁵ kg and a radius of 5x10⁶ meters?

• .267 m/s²

• 2.67 m/s²

• 26.7 m/s²

• 267 m/s²

What's the centripetal acceleration of a .2 kg yoyo spun in a circle with a radius of .7 meters at a velocity of 3 m/s?

• 8.23 m/s²

• 10.54 m/s²

• 12.86 m/s²

• 17.39 m/s²

moving or tending to move toward a center...

• centripetal force

• centrifugal force

• Tangent

• Curvature

the process or act of turning or circling around something

• Curvature

• Rotation

• Radius

• Orbit

Where is the net force when the rollercoaster is at the top of the loop?

• Towards the sky
• Towards the Right
• Towards the left
• Towards the ground

A 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