Students pulled the same mass up an inclined plane that was 20 cm, 30 cm, and 40 cm long. Each time, they used a spring scale to measure the force needed to pull the mass up the inclined plane. What did they conclude?

The least amount of force was needed on the 40 cm inclined plane.

Less force was needed on the 20 cm plane

More force was needed on the 40 cm inclined plane.

The least amount of force was needed on the 30 cm inclined plane.

An inclined plane reduces the amount of force needed to move an object by -

increasing the distance the object moves.

transferring more of the force to the object

reversing the direction the object is moved.

A fixed pulley does not reduce the force needed to lift an object. What, then, is the advantage of using a fixed pulley?

A fixed pulley changes the direction of the force.

A fixed pulley reduces the force.

A fixed pulley does not have any advantages.

In a simple machine, what is the load ?

point where the lever arm pivots

the force needed to move the load

Pulley Lab

Quiz

•

Science

•

5th - 6th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS2-2, MS-PS2-1, HS-PS2-1

+1

Standards-aligned

Charles Martinez

FREE Resource

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does this image represent?

A pulley

A wedge

A lever

A wheel and axle

What are two types of pulleys?

wings, fries

load. weight

fixed, movable

effort, force

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pulleys make work:

Easier

Rigorous

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A pulley is an example of a:

Simple Machine

Book

Science Tool

Test Taking Strategy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the type of pulley

fixed

moveable

block and tackle or pulley system

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the type of pulley

Fixed

Moveable

Block and Tackle or pulley system

The diagram shows a movable pulley system. When moving a load, this pulley system changes the —

direction of the force.

amount of force needed.

pull of gravity on the load.

overall mass of the rope.

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Pulley Lab

18 questions

What does this image represent?

What are two types of pulleys?

Pulleys make work:

A pulley is an example of a:

Identify the type of pulley

Identify the type of pulley

The diagram shows a movable pulley system. When moving a load, this pulley system changes the —

A load of 650 newtons is lifted with this pulley. What is the effort required to do this work?

Which of the following is an example of a pulley?

Identify the type of pulley

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