What is the primary function of a machine according to the text?

To make work easier or more effective

How do machines make work easier by increasing the force applied to an object?

By increasing the force that can be applied to an object

By changing the direction of the force

By increasing the distance over which the force is applied

What is the formula for calculating work input in a machine?

Work Input = Input Force x Input Distance

Work Input = Input Force + Input Distance

Work Input = Input Force / Input Distance

Work Input = Input Force - Input Distance

What does the term "Input Force" refer to in the context of machines?

The force you apply to a machine

The force applied by the machine

The force that moves the machine automatically

The force that stops the machine

What does "Input Distance" mean in relation to work input?

The distance you move the object or machine

The distance the machine moves on its own

The distance the machine is from the ground

The distance the machine can cover in one hour

What is the definition of "Work Output" in the context of machines?

The work the machine does to the object

The energy input required by the machine

The distance the machine moves the object

The force applied by the user to the machine

What does "Output Force" refer to in a machine?

The weight of the object, force the machine applies

The speed at which the machine operates

The energy consumed by the machine

The distance the machine moves the object

What is meant by "Output Distance" in the context of machines?

The distance the machine moves the object

The length of the machine's components

What is the advantage of machines that do not multiply either force or distance?

They change the direction of the force applied.

They are more efficient in energy use.

They increase the speed of the task.

They reduce the amount of force needed.

What is the definition of "work" in science?

Pushing or pulling an object over a distance.

Getting tired from doing chores.

Which of the following is an example of work being done?

Holding a book still in the air.

What two things must happen for work to be done?

Force is applied and the object moves.

Time must pass and energy must be stored.

The object must stay still and you must use energy.

If you push on a wall and it doesn't move, have you done work (in science terms)?

No, because no movement occurred.

No, because the wall is too heavy.

What does the term "Mechanical Advantage" refer to in the context of machines?

The number of times the input force is multiplied

The speed at which a machine operates

The energy consumption of the machine

How does mechanical advantage affect the ease of using a machine?

It makes the object feel lighter or easier to move

It increases the energy required

It decreases the machine's efficiency

Which inclined plane would require the least amount of input force? Why?

B, because it is moderately steep

According to the text, how does work input compare to work output?

Work input is always greater than work output.

Work input is always less than work output.

Work input is always equal to work output.

Work input is unrelated to work output.

Why might it seem like you are doing less work when using a machine?

Because the machine makes the object feel lighter.

Because the machine reduces the distance.

Because the machine increases the force.

Because the machine decreases the input force.

If friction is not considered, how does work input compare to work output?

Work input is equal to work output

Work input is greater than work output

Work input is less than work output

Work input is unrelated to work output

What is mechanical advantage?

How much a machine multiplies force

The amount of fuel a machine uses

The number of parts in a machine

A machine has a mechanical advantage of 4. What does this mean?

It reduces the force needed by 4 times

Basic Physics Quiz

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RI. 9-10.2, RI.11-12.2, RI.8.2

Standards-aligned

Pascale Brown

FREE Resource

Work is the destruction of energy.

Work is the storage of energy in an object.

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What is the unit of work in the International System of Units (SI)?

Which simple machine consists of a wheel with a rope or cable wrapped around it?

What is the term for the ratio of useful work output to total work input in a machine?

Which simple machine is a flat surface set at an angle to another surface?

What is the term for the force multiplication factor provided by a machine?

What is required for work to be done on an object?

How is work defined in terms of energy?

How much work is done when a 10 N force is applied to move a box by 2 meters?

What is the formula for calculating work?

What is the unit of work?

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