Force and Motion Review

Force and Motion Review

Friday 11/20

Multiple Choice

Which pod would have a greater change in velocity if you exerted the same strength force, a less massive pod or a more massive pod?

• A more massive pod

• A less massive pod

Multiple Choice

Why did the thruster force not stop the pod?

• This pod had a greater mass than previous pods

• This pod had less mass than previous pods

• The thrusters didn't turn on

Multiple Select

Which of these choices are units of speed?

• cm/s

• km

• kg

• mph

Multiple Choice

Shandra pushed a wooden block and it slid across the floor. The wooden block gradually slowed down and stopped after moving 10 meters.

Why did the block stop moving?

• All objects stop moving because their natural state is to be still.

• The floor absorbs force from the block.

• The floor exerted a force that is opposite to the direction of the block’s motion.

• The block ran out of force.

The green hockey puck has less mass than the black and purple hockey pucks, which have the same mass. A player hit each hockey puck with a stick, but not from the same direction. Use the information in the diagram to answer.Which puck(s) experienced the strongest force when hit? How do you know?

In which crash did the tennis ball experience a stronger force? How do you know?

Multiple Choice

Two cars are going down the road. One car is driving too fast, and it rear-ends the car in front. What direction would the force be on the faster car?

• In the direction it was coming

• In the direction it is going

 Kristina has three skateboards for her skateboarding competitions. The brown and pink skateboards are of equal mass and more massive than the green skateboard, which has the least mass. One day, she tested the skateboards by giving each a push, but not from the same direction. Use the information in the diagram to answer.

Which skateboard(s) experienced the strongest force from Kristina’s push? How do you know?

Multiple Choice

Which skateboard was pushed harder?

• Pink

• Brown

• Pink and Brown

• All 3 experienced the same strength push

The cone crashed into two pucks.

Open Ended

Does the cone experience a force? In which direction?

Now, we will start the test. You will have the rest of class to begin, as well as the asynchronous time on Monday.