Simple Machines Quiz

What is the formula to calculate the Ideal Mechanical Advantage (IMA) of a simple machine?

• IMA = effort distance / resistance distance

• IMA = effort distance - resistance distance

• IMA = effort distance * resistance distance

• IMA = effort force / resistance force

Tags

NGSS.MS-PS2-2

What is the formula to calculate the Actual Mechanical Advantage (AMA) of a simple machine?

• AMA = Fin / Fout

• AMA = Fout / Fin

• AMA = Fout * Fin

• AMA = Fout + Fin

Tags

NGSS.MS-PS2-2

A lever has an IMA of 4. If a force of 50 N is applied to one end of the lever, what is the output force?

• 200 N

• 100 N

• 250 N

• 150 N

Tags

NGSS.MS-PS2-2

A pulley system has an AMA of 2.5. If a force of 80 N is applied, what is the output force?

• 250 N

• 100 N

• 200 N

• 150 N

Tags

NGSS.MS-PS2-2

What is the efficiency of a machine if its IMA is 6 and its AMA is 4?

• 5

• 2

• 3

• 0.67

A ramp has an IMA of 3. If a 200 kg object is being lifted, what force needs to be applied?

• 1000 N

• 666.67 N

• 500 N

• 300 N

Tags

NGSS.MS-PS2-2

What is the IMA of an inclined plane with a length of 10 meters and a height of 2 meters?

• 8

• 5

• 20

• 3

A screw has an IMA of 8. If a force of 100 N is applied, what is the output force?

• 5 N

• 12.5 N

• 200 N

• 50 N

Tags

NGSS.MS-PS2-2

What is the AMA of a wheel and axle if the radius of the wheel is 20 cm and the radius of the axle is 5 cm?

• 6

• 10

• 4

• 2

A wedge has an IMA of 6. If a force of 120 N is applied, what is the output force?

• 20 N

• 30 N

• 100 N

• 60 N