psf1 054 064 ↹ ↹ Name:
- _________ _________ If Leah pulls the 70 kg mass of Dana on the RipStik with a force of 56 Newtons, what will be the resulting acceleration?
- Write out Newton's first law of motion in words.
- Write Newton's second law.
- Write Newton's third law.
- Give an example of Newton's first law.
- Which of Newton's laws did the yurt circle demonstrate?
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force (gmf) | load (gmf) |
20 | 50 |
80 | 200 |
140 | 350 |
180 | 450 |
The data are measurements made for a three load line pulley.
- ____________ Based on the data, what is the actual mechanical advantage for the pully system?
- ____________ The pulley system had three load lines. What is the ideal mechanical advantage?
- ____________ Use the preceding two questions to calculate the efficiency of the pulley system.
- For the following pulley systems, write on the picture the Ideal Mechanical Advantage for each system:
- Temperatures in Celsius:
- _________℃ What is the temperature of a mix of melting ice and water?
- _________℃ What is the temperature of melting solidified coconut oil?
- _________℃ What is the typical daily indoor room temperature in Pohnpei?
- _________℃ What is the temperature of the healthy living human body?
- _________℃ What is the temperature of a boiling water?
- Explain the difference between heat and temperature.
- List the three ways in which heat is moved and what that term means:
______________ Meaning:
______________ Meaning:
______________ Meaning:
Force F = mass m × acceleration a