Question

7)jasmine uses 50n of force to pull wagon of bricks 20 meters. how much work did she do?

1. dwight uses 75n of force to move a box 15 meters. how much work did he do?
2. how much work does an plow horse do while moving the field plow 60 meters with a pulling force of 150n?
3. michelle does 25 joules of work to push a glass of water 2 meters. how much force did he use?
4. sampson a basketball player does 1500 joules of work when shooting a basketball shot. the basket was 50 meters away from sampson. how much force did sampson use to shoot the shot?
5. andre uses a force of 20 newtons to lift a sandbag while doing 40 joules of work. how far did he lift the sandbag?

Explanation:

Step1: Recall the work formula

The formula for work is \(W = F\times d\), where \(W\) is work (in joules), \(F\) is force (in newtons), and \(d\) is distance (in meters).

Step2: Solve problem 7

Given \(F = 50N\) and \(d=20m\). Substitute into the formula: \(W = 50\times20\).

$$W=1000J$$

Step3: Solve problem 8

Given \(F = 75N\) and \(d = 15m\). Substitute into the formula: \(W=75\times15\).

$$W = 1125J$$

Step4: Solve problem 9

Given \(F = 150N\) and \(d = 60m\). Substitute into the formula: \(W=150\times60\).

$$W=9000J$$

Step5: Rearrange the formula for force

From \(W = F\times d\), we can get \(F=\frac{W}{d}\).

Step6: Solve problem 10

Given \(W = 25J\) and \(d = 2m\). Substitute into \(F=\frac{W}{d}\): \(F=\frac{25}{2}\).

$$F = 12.5N$$

Step7: Solve problem 11

Given \(W = 1500J\) and \(d = 50m\). Substitute into \(F=\frac{W}{d}\): \(F=\frac{1500}{50}\).

$$F = 30N$$

Step8: Rearrange the formula for distance

From \(W = F\times d\), we can get \(d=\frac{W}{F}\).

Step9: Solve problem 12

Given \(W = 40J\) and \(F = 20N\). Substitute into \(d=\frac{W}{F}\): \(d=\frac{40}{20}\).

$$d = 2m$$

Answer:

1. \(1000J\)
2. \(1125J\)
3. \(9000J\)
4. \(12.5N\)
5. \(30N\)
6. \(2m\)