Free Body Diagram Activity Quiz

What forces act on the Hulk when the elevator is at rest?

• Only gravitational force

• No forces act on the Hulk

• Gravitational force and normal force

• Only normal force

How does the free body diagram change when the elevator accelerates upwards?

• Normal force decreases

• Gravitational force decreases

• Normal force increases

• Gravitational force increases

What is the net force on the stuffed animal when it is in free fall?

• Equal to normal force

• Equal to gravitational force

• Zero

• Equal to air resistance

In which scenario does the stuffed animal experience no net force?

• Moving in a parabola

• Falling straight down

• None of the above

• Flying up after being thrown

What is the direction of the net force on the pendulum bob at the bottom of its swing?

• No net force

• Upwards

• Downwards

• Towards the center

How does the tension in the string change as the pendulum bob reaches the highest point?

• Tension becomes zero

• Tension decreases

• Tension increases

• Tension remains constant

What happens to the frictional force when the block slides down the ramp at constant velocity?

• Frictional force increases

• Frictional force decreases

• Frictional force equals gravitational force component

• Frictional force is zero

When the block accelerates down the ramp, what can be said about the net force?

• Net force is upwards

• Net force is sideways

• Net force is downwards

• Net force is zero

What force acts on Bulba Fett when the turntable is at rest?

• Gravitational force

• Centripetal force

• Frictional force

• No force

How does the force on the cart change when it is pushed against friction?

• Force increases

• Force becomes zero

• Force remains constant

• Force decreases