Mechanical Advantage Test

How much work is produced when 350 N is used to move a car 5 m (W=Fd)?

• 70 J
• 1750 J
• 355 J
• 175 J

if a load of a lever is 100 newtons and the force you apply is 20 newtons, what is your mechanical advantage?

• 120 N
• 5 N
• 2000 N
• 80 N

The amount by which a machine multiplies input force is known as the 

• work.
• power.
• output force.
• mechanical advantage.

If the weight of the block is 10N, how much force does one have to apply to lift it using this pulley (MA=2)?

• 2N
• 5N
• 10N
• 15N

A box of weight W is lifted by a force F using a lever as shown below.

What is the mechanical advantage of the lever (MA=Input Distance/Output Distance)?

• 0.5

• 2

• 3

• 6

The mechanical advantage of this inclined plane is...(MA=Resistance Force/Effort Force)

• 2.4

• 3.4

• 4.4

Jeff is a landscaping contractor and lifts a rock weighing 600 pounds by wedging a board under the rock. Jeff weighs 150 pounds and puts all of his weight on the lever. How much mechanical advantage did the lever provide to Jeff in lifting the rock?

• 0
• 2
• 4
• 8

A 16 N force is applied to an object and 96 J of work is done. How far was the object moved?

• 6 m
• 16 m 
• 80 m 
• 1536 m 

Which of the lever would it take less force to lift?

• Lever A

• Lever B

How much effort would it take to lift Lever B?

• 60 N

• 50 N

• 40 N

• 30 N