Unit 4 Most Missed

A 2 kg block slides down a 30 degree incline as shown with an acceleration of 3 m/s². Which of the following diagrams best represents the gravitational force (F_W), the normal force (F_N), and the frictional force (F_f) on the block?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1

Find the centripetal acceleration of an object moving in a uniform circular motion with a velocity of 4 m/s in a circle of radius 1.5 m.

• 10.7 m/s²

• 2.7 m/s²

• 24 m/s²

• 0.38 m/s²

Which graph below correctly represents the relationship between gravitational force between two objects and the distance between the objects?

• A

• B

• C

• D

Tags

NGSS.HS-PS2-4

A person has a mass of 70 kg. What is their weight? (g=9.8 m/s²)

• 686 N

• 686 kg

• 70 N

• 7 N

Tags

NGSS.MS-PS2-4

What would result in the greatest gravitational force between two objects?

• halving the mass of object 1

• doubling the mass of object 1

• halving the distance between the two objects

• doubling the distance between the two objects

Tags

NGSS.HS-PS2-4