Question | Answer |
Name the 6 simple machines? | Lever, Pulley, Screw, Inclined Planes, Wedge, and Wheel and Axel. |
What is the 3 things needed in a lever? | A fulcrum, load and force. |
What is the formula for work? | Force x Distance |
What is the device that you use to measure force? | A Springscale |
What is the unit used to measure work? | Joules |
What is the unit to measure force? | Newtons |
How many classes of levers are there? | There are 3 classes |
What are the 3 types of friction? | Starting, Rolling. and Sliding |
What type of friction takes the most force? | Starting |
What type of friction takes the least amount of force? | Rolling |
What lever class would a wheelbarrlow be in? | 2 class |
What lever class would a bat be in? | 3 class |
What lever class would a see saw be in? | 1 class |
What kind of simple machine is a staircase? | inclined plane |
What kind of simple machine is a axe? | Wedge |
What kind of simple machine is a thumb tack? | Wedge |
Do all gears have teeth? | No the do not |
Is a wheel a simple machine without a axle? | No it is not |