Non-Contact Forces Review

If one mass is doubled and the distance between the two masses is also doubled, what happens to the force of gravity between those two masses?

• Cut into 1/4 as large

• Doubles

• Remains the same

• Cut in half

Tags

NGSS.HS-PS2-4

2 masses attract each other via gravity with a force of 100N. What would the force of gravity between these two masses be if the distance between them is cut in half and one mass is tripled?

• 8.3N

• 1200N

• 600N

• 100N

Tags

NGSS.HS-PS2-4

What is the value of the universal gravitational constant?

• G=6.67x10^-11 Nkg^2/m^2

• G=-9.81m/s^2

• G=6.67x10^-11 Nm^2/kg^2

• G=6.67 Nm^2/kg^2

Tags

NGSS.HS-PS2-4

What is the order of magnitude of the universal gravitational constant?

• 1

• -1

• 11

• -11

Tags

NGSS.HS-PS2-4

A mass is spun around in a circle above a person's head. If the string breaks when the mass is at position P, what path will the mass take?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

• A

• B

• C

• D

• E

What provides the centripetal force to a car making a turn without sliding off the road?

• Weight

• Static friction

• Kinetic friction

• Normal force

Tags

NGSS.HS-PS2-1

A plane moving with 300m/s of speed, is making a turn with radius 215m. What equation will solve for the centripetal acceleration of the plane?

A 3kg mass is spun around a circle with radius 1m. The mass has a centripetal acceleration of 5m/s^2. What equation would be used to solve for the centripetal force acting on the mass?

Tags

NGSS.HS-PS2-1

A 50N object is hung from a spring with spring constant 32N/m. What equation should be used to solve for how far the spring will be stretched?

Tags

NGSS.HS-PS2-1