Force and Motion

10 months ago

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16 QuestionsShow answers

- Question 130 secondsQ.
**The ram on a crane uses the force of kinetic energy to push a spike into the ground. From which position should the ram be released to have the greatest kinetic energy when it hits the spike?**answer choices - Question 230 secondsQ.
**Some new cars use special braking systems to recover energy when the brakes are applied. This energy is stored in special batteries and is used to power the electric motor. What type of energy are the brakes storing as they slow down the car?**answer choices - Question 330 secondsQ.
**During an investigation on energy, Seth rolls marbles of four different masses down a ramp. Which size marble will have the greatest kinetic energy when it reaches the bottom of the ramp?**answer choices - Question 430 secondsQ.
**Look at the drawing below of a bouncing ball. Which correctly identifies the sequence of the types of energy shown in the drawing?**answer choices - Question 530 secondsQ.
**A crane uses a pulley system to make work easier. Which statement BEST explains how the pulley system in a crane makes work easier?**answer choices - Question 630 secondsQ.
**Which is***most likely*needed when describing the change in position of an object?answer choices - Question 730 secondsQ.
**A brick is resting on a level, smooth surface. When a student applies a horizontal force of 5 N to the brick, the force of friction on the brick is also 5 N. Which statement BEST describes the effect of these two forces on the brick?**answer choices - Question 830 secondsQ.
**Which statement***best*explains why a car that is rolling on a level surface will eventually come to a stop?answer choices - Question 930 secondsQ.
**When astronauts walked on the Moon, they used weighted boots to help them walk due to the lower gravitational pull. What difference between Earth and the Moon accounts for the difference in gravity?**answer choices - Question 1030 secondsQ.
**Which of these is an example of Newton’s first law of motion?**answer choices - Question 1130 secondsQ.
**Two toy cars are traveling on a track. Thirteen minutes after they start, how do the speeds of the cars compare?**answer choices - Question 1230 secondsQ.
**This is a graph of the motion of a small boat traveling at a constant speed. How far will the boat travel in 15 hours?**answer choices - Question 1330 secondsQ.
**This graph shows the motion of an object as it moves away from a point and then back to its starting point. Which graph shows the total distance traveled by the object?**answer choices - Question 1430 secondsQ.
**Four students went on a 3-kilomater hike. Each student was hiking a different speed. The distance the students hiked during the first 30 minutes is shown in each graph. If each student continued at the same speed, which graph shows the hiker that finished the 3-kilometer hike first?**answer choices - Question 1530 secondsQ.
**The graph shows the motion of a student walking at different speeds. During which time interval does the student walk with a negative acceleration?**answer choices - Question 1630 secondsQ.
**Which graph could represent a car moving at a constant speed in a forward direction?**answer choices

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