Wave velocity and tension Whiteboard exercise Play

Waves in liquids and solids Animation Play

What does the magnitude of work done depend on? Whiteboard exercise Play

What does the magnitude of work done depend on? Student activity Play

What is entropy? Animation Play

What is going on inside there? Student activity Play

What is going on inside there? Whiteboard exercise Play

What is the direction of the electromagnetic force? Student activity Play

What is the direction of the electromagnetic force? Simulation Play

What is the direction of the electromagnetic force? Slideshow Play

When is work equal to zero? Animation Play

Where is the parcel going to land? Whiteboard exercise Play

Where is the parcel going to land? Student activity Play

Women's handwriting and men's handwriting Student activity Play

Work Student activity Play

Workers holding a beam Student activity Play

Zero and opposite vectors Student activity Play