5.P.1.4 Virtual Lab Fan Carts

A fan cart with the fan set to High rolled across a floor. The cart's speeds are shown below. If the fan were set to Medium instead, what could the cart's speed be at 5 seconds?

• A. 10.9 cm per second

• B. 31.0 cm per second

• C. 40.1 cm per second

• D. 48.3 cm per second

Tags

NGSS.MS-PS3-1

Force is needed

• A. for a moving object to keep moving at the same speed and direction

• B. For a moving object to change its speed

• C. for a motionless object to remain still.

• D. to prevent a moving object from turning.

Tags

NGSS.MS-PS2-2

Rebecca puts her backpack on a fan cart and turns the fan on. She then measures the speed each second afterward. At 10 seconds the cart has a speed of 20 cm per second. How fast will the cart be moving at 12 seconds

• 18 cm per second

• 20 cm per second

• 22 cm per second

• 24 cm per second

A fan cart is moving forward on a frictionless surface. If you change the fan speed from High to Low, what will occur?

• A. The cart will stop moving

• B. The cart will slow down

• C. The cart will keep moving at the same speed

• D. The cart will continue to speed up, but not as quickly as before.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

The speed-versus-time bar graph for a fan cart experiment is shown below. What could have happened?

• A. The track was frictionless, and the fan was changed from High to Low after 8 seconds.

• B. The track was frictionless, and the fan was changed from High to Off after 8 seconds.

• C. The track was wooden, and the fan was changed from High to Off after 8 seconds.

• D. The track was wooden, and the fan was changed from Off to Low after 8 seconds.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS2-1