Physics 3.2 Summative Review

What happens to the force between two charged objects if you triple the magnitude of one charge? 

• 1/3X
• 3X
• 1/9X
• 9X

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NGSS.HS-PS2-4

What happens to the force between two charged objects if you reduce the distance between two objects from 30 cm to 10 cm?

• 1/3X
• 20X
• 3X
• 9X

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NGSS.HS-PS2-4

When distance increases, electrostatic force ____________; we call this relationship ____________ proportional

• decreases;directly
• decreases;inversely
• increases;inversely
• increases;directly

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NGSS.HS-PS2-4

Find the magnitude of the force between two charges of 1.0 C each which are 1.0 meter apart?

• 9E-9 N
• 9E9 N
• 1.1E10 N
• 1.1E-10 N

Tags

NGSS.HS-PS2-4

Calculate the force exerted between two charged objects separated by a distance of 0.6 m. One object has a charge of -5 C and the other has a charge of +2.0 C.

• -1.5E-11 N
• 2.5E-11 N
• -2.5E11 N
• -7.5E-10 N

Tags

NGSS.HS-PS2-4

Which of the following is Newton's Law on Gravitation?

• F=Gm₁m₂/r
• F = Gm₁m₂/r²
• F = Gm₁m₂/2r
• F = m₁m₂/2r

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

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NGSS.HS-PS2-4

Force of gravity is directly proportional to

• Mass
• Weight
• Distance
• Time

Tags

NGSS.HS-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

Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.

• 2.96x10^-7N

• 3.00x10^-6N

• 2.22x10^-9N

• 2.23x10^-8N

Tags

NGSS.HS-PS2-4