Fifth Grade Force and Motion

After throwing a basketball through the net, you observed the ball as it hit the ground. Which is most likely responsible for the ball hitting the ground?

• A friction

• B. gravity

• C. mass

• D. speed

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NGSS.MS-PS2-4

Four spheres made of different materials are rolling down a wooden ramp. Which sphere would experience the highest amount of friction, causing it to roll slower?

• A. the sphere made of rubber

• B. the sphere made of glass

• C. the sphere made of smooth metal

• D. the sphere made of polished marble

If the same amount of effort is applied to all four identical wagons, why would Wagon W move farthest?

• A It has the least amount of mass, affecting its motion.

• B. It has the least amount of speed, affecting its motion.

• C. It has the greatest amount of gravity, affecting its motion.

• D. It has the greatest amount of friction, affecting its motion.

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Mrs. T is pushing a wheelbarrow of rocks. She stops and unloads half of the rocks. How will this effect the force needed to move the wheelbarrow?

• A Gravity is increased, making the wheelbarrow easier to move.

• B. Gravity is decreased, making the wheelbarrow harder to move.

• C. Friction is increased, making the wheelbarrow harder to move.

• D. Mass is decreased, making the wheelbarrow easier to move.

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NGSS.MS-PS2-2

Mrs. T pushed a cart containing a stack of textbooks and stopped suddenly. Which would most likely happen to the books on the cart?

• A The books would slide sideways off of the cart.

• B. The books would slide off the front of the cart.

• C. The books would slide off of the back of the cart.

• D. The books would stay stacked until the cart moves again.

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NGSS.MS-PS2-2

Four solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to stop its motion?

• A ball with a mass of 5 kg

• B. ball with a mass of 10 kg

• C. ball with a mass of 15 kg

• D. ball with a mass of 20 kg

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NGSS.MS-PS2-2

A librarian stacked two identical carts of books. One cart was completely filled, while the second was half-filled. What will happen when the carts are moved?

• A Both carts will require the same amount of force to push.

• B. The cart with the most books will require a greater force to push.

• C. The cart with the fewest books will require a greater force to push.

• D. The cart with the most books will require a greater force of gravity to push.

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NGSS.MS-PS2-2

An object is traveling at a steady speed in a straight line. Which will cause the object to change directions?

• A a change in the mass of the object

• B. a change in the shape of the object

• C. a balanced force acting on the object

• D. an unbalanced force acting on the object

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Shown is the graph of the motion of a car.

Which of the following best explains the motion of the car represented by section "D" of the graph?

• The car is going faster than it was in section "B"

• The car is stopped in section "D"

• The car is moving on level ground in section "D"

• The car is higher than it was in section "B"

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NGSS.MS-PS3-1

A fifth grade class has a model car race. The students were divided into 4 groups. Each group built a model car for the race. Below are the results of the race.

Which car won the race?

• Car 1

• Car 2

• Car 3

• Car 4

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NGSS.MS-PS3-1