3.5 Mastery Check

Which of the following is a type of simple machine?

• Lever

• Engine

• Battery

• Circuit

Tags

DOK Level 1: Recall

GA.SPS8.d.

What is the mechanical advantage of a lever if the effort arm is 4 meters and the load arm is 2 meters?

• 1

• 2

• 3

• 4

Tags

DOK Level 2: Skill/Concept

GA.SPS8.d.

A pulley system is used to lift a 200 kg load. If the mechanical advantage of the system is 5, what is the force required to lift the load?

• 40 N

• 200 N

• 400 N

• 1000 N

Tags

DOK Level 2: Skill/Concept

GA.SPS8.d.

Explain how the mechanical advantage of an inclined plane can be increased.

• By increasing the height of the plane

• By decreasing the length of the plane

• By increasing the length of the plane

• By decreasing the height of the plane

Tags

DOK Level 3: Strategic Thinking

GA.SPS8.d.

Which simple machine is used in a wheelbarrow to reduce the effort needed to lift a load?

• Pulley

• Lever

• Wedge

• Screw

Tags

DOK Level 1: Recall

GA.SPS8.d.

Calculate the mechanical advantage of a wedge with a length of 10 cm and a width of 2 cm.

• 2

• 3

• 4

• 5

Tags

DOK Level 2: Skill/Concept

GA.SPS8.d.

A screw is an example of which type of simple machine?

• Inclined Plane

• Lever

• Pulley

• Wheel and Axle

Tags

DOK Level 1: Recall

GA.SPS8.d.

If a machine has a mechanical advantage of 10 and the input force is 50 N, what is the output force?

• 500 N

• 100 N

• 5 N

• 50 N

Tags

DOK Level 2: Skill/Concept

GA.SPS8.d.

Identify a real-world example of a wheel and axle and explain its mechanical advantage.

• A seesaw, which balances forces

• A doorknob, which multiplies force

• A knife, which cuts objects

• A ramp, which reduces effort

Tags

DOK Level 3: Strategic Thinking

GA.SPS8.d.

What is the mechanical advantage of a pulley system with an input force of 100 N and an output force of 400 N?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS2-2