Unit 4 Review

The force of gravity is also known as

• Mass
• Weight
• Distance
• Acceleration

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which of the following will not change in different gravitational fields?

• weight
• force
• mass
• pounds

Tags

NGSS.MS-PS2-4

A person would weigh more on Jupiter than on the Earth because . . .

• Jupiter has more mass, and therefore more gravity
• Jupiter has less mass, and therefore more gravity
• Jupiter has more mass, and therefore less gravity
• Jupiter has less mass and therefore less gravity

Tags

NGSS.MS-PS2-4

What is the mechanical advantage of a lever that has an input arm of 3 meters and an output arm of 2 meters?

• 1.5

• 1

• 0.67

• 3

if a load of a lever is 100 newtons and the force you apply is 20 newtons, what is your mechanical advantage?

• 120 N
• 5 N
• 2000 N
• 80 N

If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

Tags

NGSS.MS-PS2-2

If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?

• 10 m/s^2
• .1 m/s^2
• 100 m/s^2
• 1 m/s^2

Tags

NGSS.MS-PS2-2

What is the difference between mass and weight?

• mass is how much matter is in an object, and weight is the gravitational pull on that object

• mass and weight are the same

• weight affects how much mass is in an object

• weight is determined by how many atoms make up an object

When a person stands in an elevator that is accelerating upwards...

• weight is greater

• weight is less

• weight is the same

Tags

NGSS.MS-PS2-4

When a person stands in an elevator that is accelerating downwards...

• weight appears to be greater

• weight appears to be less

• weight is the same

Tags

NGSS.MS-PS2-4