Force and Blood circulation

Newton said that any two masses will...

• combine into a larger mass.

• attract each other.

• create gravitational fields.

• push each other apart.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-4

Which of the following best explains why a person has less weight on top of a mountain?

• They are closer to space.

• The atmosphere is lighter.

• The mountain adds more mass.

• The mountain adds more distance.

Tags

NGSS.HS-PS2-4

Which of the following statements is correct with respect to G and g?

• G is a fundamental constant, whereas g is a physical quantity and subject to change.

• Both G and g can change, but g can only change if you go to a different planet.

• G and g are both constant, but g is determined by the mass and radius of the Earth.

• The strength of G is determined by g.

Tags

NGSS.MS-PS2-4

The surface gravity on Earth is approximately 10 N/kg. What would the surface gravity be if the Earth contained twice as much mass?

• 5 N/kg

• 10 N/kg

• 20 N/kg

• 40 N/kg

Tags

NGSS.MS-PS2-4

The value of Universal Gravitational constant is

• 6.673X10^-11 Nm^-2kg²

• 6.673X10^-11 Nm²kg²

• 6.673X10^-11 Nm² kg^-2

• 6.673 x10^-11 N m^-2 kg^-2

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 I double the distance between two objects, what happens to their gravitational Force?

• 4x bigger
• 4x smaller
• 2x bigger
• 2x smaller

Tags

NGSS.HS-PS2-4

Which statement about gravity is true?

• gravity causes objects to pull towards one another

• gravity causes objects to push away from each other

• gravity only takes place between planets

• the moon doesn't have any gravity

Tags

NGSS.MS-PS2-4

If you throw a baseball straight up, what is its velocity at the highest point?

• 9.8 m/s²
• 9.8 m/s
• 0 m/s²
• 0 m/s

Tags

NGSS.MS-PS2-4

If an object is free falling onto the Moon, which of the following would be correct?

• It would accelerate at 9.8 m/s²

• It would not encounter any air resistance.

• It would not fall because the Moon has no gravity.

• It would impact the surface and bounce back into space.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4