An astronaut in deep space is pulled into a spaceship by a tether cord. The main force changing the astronaut’s motion is...

A student running through the halls, sees the principal and slows down so he doesn’t get in trouble. The main force changing the student’s motion is...

An astronaut is ‘weightless’ in a space station, which in turn is in orbit around the Earth. The main force changing the astronauts motion is...

Joel is jumping on a trampoline. The main force on him at the top of his path is...

Elise stands in the kitchen in footie pajamas. What the two biggest forces acting on Elise?

Lauren plays tug o' war with Christian. What are all of the main forces acting on Lauren?

Connor slides down the slide. What are all the main forces acting on Connor?

A mug of root beer already sliding across a counter comes to a stop in front of the customer. What force is causing the change in motion?

A banana already flying through the air hits the wall and sticks. What is the main force changing the banana's motion when it hits the wall.

A car sliding on the ice hits a big oak tree square on. What is the main force involved at the point of impact?

A car, coming to an intersection, turns a corner. Which of our four forces is the centripetal force in this scenario?

A boy is spun around in the Gravitron at the fair, held to the wall so tight he can barely lift his head.

Which of our four forces is the centripetal force in this scenario?

The force pulling a satellite into a circular orbit is...

A sci-fi space station (called a “rotating wheel”) spins to produce artificial gravity for its passengers. The force that produces that artificial gravity is...

A baseball player rounds second base on his way to third. The force allowing the baseball player to round second is...

A dropped coffee filter falls at a constant speed. The force cancelling gravity so that the filter doesn't speed up as it falls is?