Force and Motion Review

Which type of force resists motion?

• Friction

• Gravity

• Pull

• Push

To drag a sofa over carpet, movers sometimes use slippery pads. Which force is reduced with the use of the pads?

• Friction

• Gravity

• Push

• Magnetism

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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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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?

• the sphere made of rubber

• the sphere made of glass

• the sphere made of smooth metal

• the sphere made of polished marble

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

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

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

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

• 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?

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

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

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

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

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

• The books would slide sideways off of the cart.

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

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

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

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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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If two toy trucks are pushed with the same force, Which one will move the longest distance?

• The one with more mass

• The one with less mass

• The mass will make no difference

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What is the force that opposes the motion of an object through the air?

• A) Gravity

• B) Friction

• C) Air resistance

• D) Tension