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Cullen Fay

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Cards in this guide (7)
160j of work was needed in order to move an object 8m across a floor what was the force in N that was needed to do this job

160j of work was needed in order to move an object 8m acroos a floor what was the force in N that was needed to do this job? i think it may be not sure but 20N dont agree with me just maybe your imput will be different

If a graph shows time on the horizontal axis and speed on the vertical axis a straight horizontal line across the graph would indicate

constant speed

You set up a pulley to help you lift something you anchor the rope at one end and arrange a moveable pulley to achieve a mechanical advantage of 2 by the time you have lifted the object 5m off the gro

you set up a pulley to help you lift something you anchor the rope at one end and arrange a moveable pulley to achieve a mechanical advantage of 2 by the time you have lifted the object 5m off the ground how much rope have you pulled through the pulley

answer is (10m)

Rate of deceleration are always expressed as

Rates of deceleration are always expressed as negative numbers.

With regard to the object-lifting examples traced in lesson3 the ima is equal to the distance divided by the distance

it effort,resistance

Near the end of page 124 of your reading material you are shown a calculation to determine a car's final speed after accelerating for four seconds

There is a formula to calculate the speed of a car after accelerating for four seconds. This formula is v = u + at, where v = velocity, u = initial velocity, a = acceleration, and t = the time it takes to accelerate.

What is the effect of using an inclined plane to lift an object

no

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