A truck pulls a sled loaded with different kinds of vegetables at a certain distance. Suppose the sled with the load had an initial speed of v1 = 3.72 m/s and the total mass of the sled with the load is m = 1,619 kilograms. If the total work done on the sled with the load is Wtot = 18,488.6 joules, what is its final speed?

A man pushes a lawn mower on a level lawn with a force of 192 N. If 45% of this force is directed forward, how much work is done by the man in pushing the mower 6.5 m?

your parents demand that you pick up the book and put it on a shelf that is a height of 1.8 m off the ground. How much work do you have to do on the book?

A 200-kg cart is pushed slowly up an incline. How much work does the pushing force do in moving the object up along the incline to a platform 1.5 m above the starting point if friction is negligible? What if the distance along the incline to the platform is 7 m and a friction force of 150 N opposes the motion.

You push your much-loved 3-kg physics book 1.25 m along a horizontal table top with a horizontal force of 2.73 N against a frictional force of 0.65 N. What is the total work in J done on the book?

A one-dimensional force has the form F(x) = A x2-Bx where A =1.8 N/m2 and B = 0.65 N/m. How much work is done by the force in moving a 1.2 kg box from x = 0.78 m to x = 2.4 m? Enter your answer in Joules.

A man pushes a lawn mower on a level lawn with a force of 185 N. If 48% of the force is directed horizontally, how much work is done by the man in pushing the mower 5.9 m?

Example: A farmer hitches her tractor to a sled loaded with firewood and pulls it a distance of 20 m along level ground (Fig.). The total weight of sled and load is 14,700 N. The tractor exerts a constant 5000 N force at an angle 36.9° of above the horizontal. A 3500 N friction force opposes the sled's motion. Find the work done by each force acting on the sled and the total work done by all the forces. (a) (b) Free-hndy diagram for sle E-500ON 180 369 f-3500N S-20m

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You are throwing a ball to a friend while taking physics and begin to wonder about work. You know that when you throw, you exert a force of 655 N on the ball (which has mass 1.84 kg), and that you do so for a distance of 0.27 m. If you start the throw from rest, what is the final speed of the ball? When you show your work for this question, you must do the calculations using work and energy for credit. If you use kinematics you will not recieve credit. Your Answer: units Answer