a force that pulls you towards the earth

Which is an example of someone using a simple machine to do work?

A mother pushes a stroller up a ramp into a building.

A boy runs across a football field.

What is a characteristic of simple machines?

They have few or no moving parts.

They take a longer time to make.

An object is moving in a straight line. If an unbalanced force acts on the object, what could happen to the object's motion? Select each correct answer.

The object could stop moving completely.

The object could begin moving in the opposite direction.

The object could continue moving in a straight line.

Using a ramp can make it easier to lift a heavy object up to a certain height. How does a ramp do this?

by increasing the distance over which the input force is applied

by increasing the amount of input force needed to lift the object

by reducing the distance over which the input force is applied

by reducing the weight of the object

Kyle and Jon are both pushing the same box. Kyle is pushing to the right. Jon is pushing to the left. Which of these would make the box move to the left?

Jon pushes the box with more force than Kyle.

Kyle pushes the box with more force than Jon.

Kyle and Jon both stop pushing the box.

Jon and Kyle push the box with the same amount of force.

Which of the following statements is true?

Balanced forces do not cause a change in motion.

Gravity always causes a change in motion.

Balanced forces always cause a change in motion.

Unbalanced forces do not cause a change in motion.

Jeremy throws his ball up in the air, but the ball falls back to the ground. What force made the ball move without ever touching the ball?

the air pressure pushing on the ball

Jeremy's hand pushing on the ball

Simple Machines Unit Test Review

Quiz

•

Science

•

4th Grade

•

Practice Problem

•

Easy

•

NGSS

MS-PS2-1, MS-PS2-2, MS-ETS1-1

+4

Standards-aligned

Samantha M Conner

Used 179+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This is a grooved wheel with a rope used to lift objects.

Lever

Wheel and Axle

Screw

Pulley

Tags

NGSS.MS-PS2-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A round object which rotates on a bar to help things roll.

Wheel and Axle

Lever

Pulley

Screw

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS2-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two inclined planes placed back to back used to split or push things apart.

Wheel and Axle

Screw

Inclined Plane

Wedge

Tags

NGSS.MS-PS2-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A board or a bar that rests on a fulcrum used to lift objects.

Screw

Inclined Plane

Lever

Wheel and Axle

Tags

NGSS.MS-PS2-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An inclined plane wrapped around a center part used to hold objects together.

Inclined plane

Wedge

Screw

Pulley

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A slanted surface used to move objects to a higher place.

Wedge

Inclined Plane

Lever

Screw

Tags

NGSS.MS-PS2-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simple machines such as the lever, inclined plane, and the wheel and axle reduce the size of the needed for a task by increasing the _______ through which the force is applied.

load, force

energy, load

input force, distance

distance, input force

Tags

NGSS.MS-PS2-1

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Simple Machines Unit Test Review

50 questions

This is a grooved wheel with a rope used to lift objects.

A round object which rotates on a bar to help things roll.

Two inclined planes placed back to back used to split or push things apart.

A board or a bar that rests on a fulcrum used to lift objects.

An inclined plane wrapped around a center part used to hold objects together.

A slanted surface used to move objects to a higher place.

Simple machines such as the lever, inclined plane, and the wheel and axle reduce the size of the needed for a task by increasing the _______ through which the force is applied.

Which one of the below simple machine makes things easier by changing the direction of the input force.

True or False: A pulley changes the direction of the input force (effort).

True or False: A flagpole is an example of a inclined plane.

Access all questions and much more by creating a free account

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Simple Machines Unit Test Review

50 questions

This is a grooved wheel with a rope used to lift objects.

A round object which rotates on a bar to help things roll.

Two inclined planes placed back to back used to split or push things apart.

A board or a bar that rests on a fulcrum used to lift objects.

An inclined plane wrapped around a center part used to hold objects together.

A slanted surface used to move objects to a higher place.

Simple machines such as the lever, inclined plane, and the wheel and axle reduce the size of the ____________ needed for a task by increasing the ___________________ through which the force is applied.

Which one of the below simple machine makes things easier by changing the direction of the input force.

True or False: A pulley changes the direction of the input force (effort).

True or False: A flagpole is an example of a inclined plane.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

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Simple machines such as the lever, inclined plane, and the wheel and axle reduce the size of the needed for a task by increasing the _______ through which the force is applied.