# Physics

The brakes of a truck cause it to slow down by applying a ing force of 2.60 103 N to the truck over a distance of 930 m. What is the magnitude of the work done by this force on the truck?
Is the work positive or negative?
Explain Why?

1. 👍 0
2. 👎 0
3. 👁 267
1. force*distance=work

isn't force opposite direction than distance?

1. 👍 0
2. 👎 0
👨‍🏫
bobpursley

## Similar Questions

1. ### physics

true or false If a net force acts on an object, the object's speed will change. An object's velocity will change if a net force acts on the object. If two object have the same acceleration, they are under the influence of equal

2. ### Physics

A driver in a truck applies the brakes to come to a stop at a red light. Just before braking, the truck's initial speed was 15 m/s, and it was moving in the north direction. What was the truck's average velocity during braking?

3. ### physics

A car is traveling at 33.0 m/s when the driver uses the brakes to slow down to 29.0 m/s in 2.50 seconds. How many meters will it travel during that time

4. ### Physics

To save fuel, some truck drivers try to maintain a constant speed when possible. A truck traveling at 110.0 km/hr approaches a car stopped at the red light. When the truck is 211.7 meters from the car the light turns green and the

1. ### Physics

A truck driver slams on the brakes and skids to a stop through a displacement of delta x. (a) IF the truck has twice the mass, by what factor does the stopping distance change? 1) 0.25 or 2) 1 or 3) 4 (b) If the initial velocity

2. ### physics

The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows down uniformly with acceleration −5.80 m/s2 for 4.20 s, making skid marks 57.2 m long that end at the tree. With what speed does

3. ### physics

A crate rests on a flatbed truck which is initially traveling at 17.8 m/s on a level road. The driver applies the brakes and the truck is brought to a halt in a distance of 33.1 m. If the deceleration of the truck is constant,

4. ### physics

A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 11.0 m/s. Then the truck travels for 65.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner

1. ### PHYSICS

A truck is traveling at 16 m/s to the north. The driver of a car, 500 m to the north and traveling south at 25 m/s, puts on the brakes and slows at 3.5 m/s2. Where do they meet? please help!! Let the truck position be X1 and the

2. ### Physics

An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck. The truck has a constant acceleration of 2.15m/s2 , and the automobile an acceleration of 3.47m/s2 .

3. ### Physics

A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 32.0 m/s. Then the truck travels for 76.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner

4. ### Physics

A car and a truck starts from rest at the same instant, with the car initially at some distant behind the truck. The truck has a constant acceleration of 2.1 m/s^2, and the car at 3.4 m/s^2. The car overtakes the ruck after it has