Force and Motion Review

Zoe drives her car for a trip and covers a distance of 150 kilometers in 3 hours. What is her average speed?

• 50 km/h

• 100 km/h

• 45 km/h

• 30 km/h

Anika and Michael are playing tug-of-war. What happens when both pull with equal force in opposite directions?

• The rope moves in the direction of Anika.

• The rope moves in the direction of Michael.

• The rope does not move.

• The rope spins.

Tags

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NGSS.MS-PS2-2

Mia is comparing different objects to see which one would experience the greatest amount of gravitational force. Which object would it be?

• A car

• A chair

• A soccer ball

• A bowling ball

Tags

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What is an example of unbalanced forces acting on an object?

• A book resting on a table.

• A car parked on a hill that starts to roll down.

• A vase sitting still on a shelf.

• A picture hanging motionless on a wall.

Tags

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William runs 100 meters in 25 seconds, what is his speed?

• 2.5 m/s

• 4 m/s

• 5 m/s

• 3 m/s

Olivia and William are playing tug-of-war. If both teams pull with equal force, which of the following is a true statement about the forces involved?

• They cause an object to start moving.

• They cause an object to stop moving.

• They cause a change in the direction of an object's motion.

• They do not change the motion of an object.

Tags

NGSS.MS-PS2-2

Arjun is comparing different objects to see which one would experience the least amount of gravitational force. Which object would it be?

• A ping pong ball

• A car

• A soccer ball

• A bowling ball

Tags

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Oliver is pushing a shopping cart at the grocery store. What does it mean when the forces on the cart are unbalanced?

• The cart will move at a constant speed.

• The cart will change its motion.

• The cart will not move.

• The cart will rotate.

Tags

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Elijah is driving his car down the highway. His positions and times are listed below.

What is true about the motion of Elijah's car?

1 hour - 60 miles

2 hours - 120 miles

3 hours - 180 miles

4 hours - 240 miles

• the motion is constant; forces are unbalanced

• the motion is constant; forces are balanced

• the car is accelerating; forces are balanced

• the car is accelerating; forces are unbalanced

Tags

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Which scenario illustrates balanced forces?

• A leaf falling from a tree.

• A tug of war where both teams are equally matched and the rope does not move.

• A rocket launching off into space.

• A ball rolling down a hill.