C3 - Videos

A. Inclined Planes make work easier. 

1. How many Newtons of force is it to lift the barrel onto the truck?
2. ______ is the ability to do work.
3. Work = _____ x _______
4. It would take ___Joules of work to lift the barrel onto the truck.
5. The ________ from the ground to the truck is 1 meter.
6. A machine helps us use our energy more efficiently. (True/False)
7. Give three examples of an inclined plane.


B.  Pushing and Pulling - Force, Work and Energy

1. A force can move a __________ object or stop a ______ object.

2. Describe how using a force can change the shape of an object.  Draw a picture.

3. Work can be calculated using the formula: ____ = _____x________. 

4. True/False: Food gives us the chemical energy we need to do work.