Gravitational and Frictional Force I

What is the weight of an object that has a mass of 10 kg?

• 10 N

• 98 N

• 1.02 N

• 0.98 N

Tags

NGSS.MS-PS2-4

Which of these best describes why your weight (on Earth) would change on another planet?

• Dehydration effects on different planets change weight.
• In general, the smaller the planet, the greater weight
• Different planets have different gravitational pulls
• Weight does not change, no matter where you are.

Tags

NGSS.MS-PS2-4

Types of friction include:

I. air friction

II. sliding friction

III. rolling friction

• I

• II

• III

• I, II, and III

Which of the following data would support the claim that the gravitational force between objects depends on mass?

• An object's weight can change depending on where it is on Earth.

• Further away a planet is from the sun the smaller the gravitational force.

• Gravitational force is stronger on more massive planets.

• A rocket can escape Earth's gravity by traveling at high speed.

Tags

NGSS.MS-PS2-4

The value of gravitational pull on the moon is 1.6 m/s². What is the weight of a 75 kg astronaut on the moon?

• 46.9 N

• 735 N

• 120 N

• 75 N

Tags

NGSS.MS-PS2-4

Which of the following statements is correct?

I. As an astronaut goes to the moon, his mass and weight stays the same.

II. As an astronaut goes to the moon, his mass changes but his weight stays the same.

III. As an astronaut goes to the moon, his mass stays the same but his weight changes.

IV. As an astronaut goes to the moon, his mass and weight changes.

• I

• II

• III

• IV

Tags

NGSS.MS-PS2-4

An astronaut is going to the moon, as he goes further away from the Earth,

the acceleration of gravity _____________.

• increases

• decreases

• remains the same

• becomes undefined

Which of the following statements is correct?

I. If one object has more mass than another then it weighs less than the other object.

II. If one object has more mass than another then it weighs more than the other object.

III. If one object has more mass than another then it weighs the same with the other object.

IV. If one object has less mass than another then it weighs more than the other object.

• I

• II

• III

• IV

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Gravity on the moon is _____ on the gravity on the Earth.

• greater than

• lesser than

• equal to

• the same as

Am object's mass does not change.

• True

• False

Tags

NGSS.MS-PS1-5