AP Physics Review

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

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.

Which of the following is the unit for centripetal force?

• J

• m/s²

• kg⋅m/s

• N

Which of the following ranks the tensions in the strings from highest to lowest?

• A>C>D>B

• B>D>C>A

• B>C>A>D

• D>A>C>B

Tags

NGSS.HS-PS2-1

How does the speed in Case A compare to the speed in Case B?

• two times

• one fourth times

• four times

• one half times

Tags

NGSS.HS-PS2-1

A car goes around a curve of radius r at a constant speed v. The coefficient of static friction between the tires and the surface is µ. What is the maximum value of the car’s velocity in order to prevent car from skidding of the road?

• (µrg)²

• µ r/g

• √urg

• g/ µr

Tags

NGSS.HS-PS2-1

Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s².

• 2.4 m/s

• 3.6 m/s

• 3.9 m/s

• 4.2 m/s

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

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

What force keeps planets in orbit around the Sun?

• Friction

• Gravity

• Momentum

• Velocity

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?

• 0.25 ms^-2

• 0.5 ms^-2

• 1 ms^-2

• 2 ms^-2

Tags

NGSS.HS-PS2-1