Work, KE Energy, and Work-Energy Theorem Quiz

What happens to the work done if the force is doubled and displacement remains constant?

• Work is halved

• Work remains the same

• Work is doubled

• Work is quadrupled

What determines the sign of work done by a force?

• The magnitude of the force

• The direction of the force relative to motion

• The speed of the object

• The mass of the object

What does the symbol W_net stand for?

• Net work done

• Net force applied

• Net energy

• Net velocity

Tags

NGSS.HS-PS2-1

Kinetic energy is a:

• Vector quantity

• Scalar quantity

• Complex quantity

• Imaginary quantity

Tags

NGSS.HS-PS3-2

Which of the following activities involves kinetic energy?

• Reading a book

• Walking

• Sleeping

• Sitting

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

If the velocity of an object doubles, what happens to its kinetic energy?

• It remains the same

• It doubles

• It quadruples

• It halves

What happens to kinetic energy if the mass of an object is halved?

• It remains the same

• It doubles

• It halves

• It quadruples

Starting from rest, Mary pushes a 20.00 kg box as shown so that it is moving at 3.00 m/s. What is the boxes initial Kinetic Energy?

• 0 J

• 60 J

• 90 J

• 180 J

Tags

NGSS.HS-PS3-2

Starting from rest, Mary pushes a 20.00 kg box as shown so that it is moving at 3.00 m/s. What is the boxes final Kinetic Energy?

• 0 J

• 60 J

• 90 J

• 180 J

Tags

NGSS.HS-PS3-1

Starting from rest, Mary pushes a 20.00 kg box as shown so that it is moving at 3.00 m/s. What is the work done one the box?

• 30 J

• 180 J

• 60 J

• 90 J

Tags

NGSS.HS-PS3-1