Simple Machines Quiz

What does the content descriptor for Chapter 6E: Simple Machines include?

• Investigate and represent balanced and unbalanced forces, including gravitational force, acting on objects

• Study the history of simple machines

• Analyze the environmental impact of machines

• Learn about the development of complex machines

Which of the following is NOT a way that simple machines make it easier to move objects?

• Producing a force in a different direction

• Reducing the effort force needed to move an object

• Producing motion that is different from the applied motion

• Increasing the weight of the object

What is the term for the input force to a simple machine?

• Load force

• Mechanical advantage

• Effort force

• Output force

How is mechanical advantage calculated?

• By multiplying the load force by the effort force

• By dividing the load force by the effort force

• By subtracting the effort force from the load force

• By adding the load force to the effort force

If the load force is 200 N and the effort force is 100 N, what is the mechanical advantage?

• 1

• 2

• 3

• 4

What is the definition of load force?

• The input force to a simple machine

• The output force applied by a machine

• How many times greater the load force applied by a machine is than the effort force applied to it

• The force needed to overcome friction

What is an inclined plane?

• A simple machine that helps to spread a vertical climb over an angled distance

• A device that increases the force needed to move an object

• A tool used to measure angles

• A machine that reduces the distance needed to move an object

How does an inclined plane make it easier to move objects?

• By increasing the force needed

• By reducing the distance needed

• By allowing a lesser force to act over a longer distance

• By using a motor to lift objects

What is an example of an inclined plane mentioned in the text?

• A pulley system

• A ramp

• A lever

• A wheel and axle

What is the benefit of using a ramp for a dog to walk up into a van?

• It requires more effort for the dog

• It requires less effort for the dog

• It makes the dog jump higher

• It makes the dog run faster