Work – Power Questions – 1

Work – Power Questions – 1

If A and B are both the same height,

Do they have the same amount of Potential Energy?

Work – Power Questions – 2

If A and B are both the same height . . .

At the bottom, do they have the same speed?

Work – Power Questions – 3

Which has a bigger acceleration?

(Hint: which speeds up faster, as it falls?)

A B

Work – Power Questions – 4

So which will have a faster acceleration here?

Work – Power Questions – 5

If for a similar block/incline system

the acceleration is larger, and we know

Delta V is the same for each block,

What happens to the time?

const

???

Work – Power Questions – 6

So considering acceleration (Question 4),

which will have a faster TIME here?

Check Answers

Work – Power Questions - 7

Work – Power Questions - 8

Work – Power Questions - 9

Work – Power Questions - 10

Work – Power Calculations 1

What is the P.E. of each block?

5 m

10 kg10 kg

Work – Power Calculations 2

What is the final K.E. of each block? Velocity?

5 m

10 kg10 kg

Work – Power Calculations 3

6 m/s2 3 m/s2

Which did we say gets to the bottom quicker?

Using the definition of acceleration, what is the time of each fall?

Work – Power Calculations 4

6 m/s2 3 m/s2

Using the times, how do the Powers compare?

Work – Power Questions

Work – Power Questions

Work – Power Review Questions

Work – Power Review Questions

Work – Power Review Questions