Work, Simple Machines, and Mechanical Advantage

Front

What is mechanical advantage in a real situation?

Back

Actual mechanical advantage

Front

Which lever type is a wheelbarrow?

Back

Type 2

Front

The mechanical advantage of a wheel and axle is...

Back

wheel diameter / axle diameter

Front

If I have a wedge with a MA of 5 and an output distance of 2, what is the input distance?

Back

10

Front

What is the mechanical advantage of a pulley system that looks like this?

Back

2

Front

How can you decrease the effort force needed to push a weight to the top of the ramp? Options: cover the surface with carpet, increase the length of the ramp, increase the height of the ramp, decrease the length of the ramp

Back

increase the length of the ramp

Front

How does a single fixed pulley help you do work?

Back

changes the direction of the force

Front

Calculate the work done using a 100N force to push a 50 kg box 5 m.

Back

500 J

Front

What is the primary mechanical advantage of using the simple machine seen in the image?

Back

You can apply a small force to penetrate something that normally requires a large force.

Front

Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever?

Back

10