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Unit 4 Energy checkpoint Review

Authored by Adriana Avila

Physics

11th Grade

NGSS covered

Used 8+ times

Unit 4 Energy checkpoint Review
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

What type of energy does the rubber band have?

The rubber band has kinetic energy stored in it when pulled back.

The rubber band has elastic potential energy stored when pulled back.

The rubber band transforms itself into kinetic energy

The rubber band has gravitational potential energy stored in it when pulled back.

Tags

NGSS.MS-PS3-2

2.

MULTIPLE SELECT QUESTION

15 mins • 10 pts

Student A lifts a 20-newton box from the floor to a height of 0.10 meters in 2 seconds. Student B lifts a 10-newton box from the floor to a height of 0.20 meters in 1 second. Compared to student A, which of the following describe the work and power of student B. (hint: Calculate work first using W=FXD, then calculate power using P=W/t) Select two correct answers.

student B does more work

student B does less work

Student B does the same work

Student B develops more power

student B develops less power

Tags

NGSS.MS-PS3-4

3.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

A horizontal force of 8.0N acts on an object over a distance of 5.0 m along a horizontal, frictionless surface. How much work is completed over the 5.0 m distance? (remember W=FXD)

2 J

40 J

1 J

50 J

Tags

NGSS.HS-PS3-2

4.

MULTIPLE CHOICE QUESTION

10 mins • 10 pts

A pencil is dropped from a bridge. What happens to the magnitude of the acceleration, speed, gravitational potential energy and kinetic energy of the pencil as it falls? (neglect friction)

all stay constant

acceleration remains constant, gravitational potential energy decreases, speed and kinetic energy increase

acceleration decreases, gravitational potential energy increases, speed and kinetic energy decrease

all will decrease

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-2

5.

MULTIPLE CHOICE QUESTION

15 mins • 10 pts

Media Image

The table shows the mass, velocity, and height of four different objects. Which of the following has the highest kinetic energy? Remember to find kinetic energy the formula is 1/2mv2

A

B

C

D

Tags

NGSS.MS-PS3-1

6.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

Which of the following is an example of kinetic energy being transformed into potential energy?

Throwing a ball into the air

Droppin a ball from a ladder

Rolling a ball on the ground

Holding a ball in the air withough moving it

Tags

NGSS.MS-PS3-5

7.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

Media Image

The diagram shows various positions of a pendelum that is swinging. As the pendulum swings from position A to position B, which position has the highest kinetic energy? Choose one correct answer.

A

B

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

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