Purchase Solution

# Forces, free body diagrams, and work

Not what you're looking for?

Please give complete solutions step by step. Thanks again for helping me!

1. A box is touching the floor. The normal force of the floor on the box depends on... (see attachment for rest)

##### Solution Summary

This solution is provided in 286 words. It answers each question as well as provides a brief explanation as to how the answer was achieved.

##### Solution Preview

To find the normal reaction of the ground, we take into consideration the vertical components of all the forces and equate to the mass*acceleration.

The component of weight of the car along the hill = m*g*sin(18)
= 800*9.8*sin(18) = 2422.69 N downward
THerefore the friction force will be uphill and equal to this component.

Because car ...

Solution provided by:
###### Education
• MSc , Pune University, India
• PhD (IP), Pune University, India
###### Recent Feedback
• " In question 2, you incorrectly add in the \$3.00 dividend that was just paid to determine the value of the stock price using the dividend discount model. In question 4 response, it should have also been recognized that dividend discount models are not useful if any of the parameters used in the model are inaccurate. "
• "feedback: fail to recognize the operating cash flow will not begin until the end of year 3."
• "Great thanks"
• "Perfect solution..thank you"

##### The Moon

Test your knowledge of moon phases and movement.

##### Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

##### Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.