Work Level 1 2025

What does ΔK stand for in the context of the above equation?

• Change in spring potential Energy

• Change in Kinetic Energy of the object/system

• Change in velocity of the object

• NET work

Tags

NGSS.HS-PS3-1

Rank the masses of each box.

• D > A = B > C

• A = D > B = C

• A > B > C = D

• B > C = D > A

Tags

NGSS.HS-PS2-1

Rank the NET force on each box.

• D > A = B > C

• A = D > B = C

• A > B > C = D

• B > C = D > A

Tags

NGSS.HS-PS2-1

Rank the NET acceleration on each box.

• D > A = B > C

• A = D > B = C

• A > B > C = D

• B > C = D > A

Tags

NGSS.HS-PS2-1

If a force is applied parallel to an objects displacement, do we need to use trigonometry to solve for the work done ON an object?

• Yes
• No
• Maybe
• Only sometimes

Rank the NET work on each box.

• D > A = B > C

• A = D > B = C

• A > B > C = D

• B > C = D > A

Tags

NGSS.HS-PS2-1

NGSS.HS-PS3-1

Work is equal to the force component parallel to the displacement. Using this information and the image, in which situation is no work considered to be done by the force F?

• when the angle Θ between the force and displacement is 180°

• when the angle Θ between the force and displacement is 90°

• when the angle Θ between the force and displacement is 45°

• when the angle Θ between the force and displacement is 0°

The image above is showing two forces acting on a block as it accelerates down a frictionless ramp. What is the angle of the normal force with respect to the inclined surface? (Select 2 answers)

• 90 degrees

• 180 degrees

• paralell

• perpindicular

Tags

NGSS.HS-PS2-1

Given a reference angle of 90 degrees, what is the sine of this angle?

• 0
• 1
• -1
• 0.5

Given a reference angle of 90 degrees, what is the cosine of this angle?

• 1
• -1
• 0.5
• 0