Physics Benchmark #3 Review

Which represents the acceleration of the ball?

• A
• B
• C
• D

Tags

NGSS.MS-PS2-2

Which of the following units is used for tangential velocity?

• m/s²
• N
• J
• m/s

Which of the following is the unit for centripetal force?

• J
• m/s²
• kg⋅m/s
• N

A car traveling at 15 m/s on a flat surface turns in a circle with a radius of 25 m.  What is the centripetal acceleration of the car?

• 2.4 x 10^-2 m/s²
• 0.60 m/s²
• 9.0 m/s²
• zero

Tags

NGSS.HS-PS2-1

A test car moves at a constant speed around a circular track.  If the car is 48.2 m from the track's center and has a centripetal acceleration of 8.05 m/s², what is the car's tangential speed?

• 19.7 m/s
• 5.99 m/s
• 0.17 m/s
• 388.01 m/s

What is the Universal law of gravitation equation? 

• G=F ⋅ m⋅m2/r²
• F=G ⋅ m⋅m₂/(r)²
• F=G ⋅ r²/m⋅m₂
• G=F ⋅ r²/m⋅m₂

Tags

NGSS.HS-PS2-4

As distance separating the objects increases the force

• increases
• decreases
• stays the same

Tags

NGSS.HS-PS2-4

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

Tags

NGSS.MS-PS2-4

If the Total Mechanical Energy is 50J, Potential Energy is 40 J, what is the Kinetic Energy?

• 1 J
• 10 J
• 90 J

Tags

NGSS.MS-PS3-1

What is the unit of Potential Energy?

• m, mass
• kg, kilogram
• J, Joules
• m/s, meters/second

Tags

NGSS.MS-PS3-2