Circular and Gravitational motion

The velocity is always _____ to the line of a circle. 

• outwards
• towards the center
• tangent
• faster

Centripetal acceleration acts towards the ___________ of the circular motion

• center

• circumference
• tangent

• outside

Which of the following depict the tangential velocity of the ball?

• A
• B
• C
• D

When moving in a horizontal circular path, what direction is acceleration?

• In the opposite direction of motion

• Tangential to the circle in the direction of motion

• Outwards from the center of the circle

• Towards the center of the circle

What causes an object going in a circle to acceleration?

• Change in magnitude

• Change in the direction of the velocity vector

• Change in angular displacement

• change in position

Tags

NGSS.HS-PS2-1

You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?

• Friction
• Centripetal Force
• Gravity
• Inertia

Tags

NGSS.HS-PS2-1

The ball in the figure is in a uniform circular motion. Which of the following depicts the direction of the acceleration of the ball?

• A
• B
• C
• D
• No accelerations in uniform circular motion.

Tags

NGSS.HS-PS2-1

The velocity is always _____ to the line of a circle. 

• outwards
• towards the center
• tangent
• faster

When placed at equal distances apart, the greatest gravitational attraction will be between two

• skateboards

• bowling balls

• school buses

• Planets

Tags

NGSS.HS-PS2-4

Which is needed to determine the amount of gravitational force between two objects?

• distance and mass

• weight and time

• area and weight

• force and radius

Tags

NGSS.HS-PS2-4