Homework Answers
MY NOTES A dock worker pushes a m 2.20 kg block a distance de 6,20 m...
MY NOTES A dock worker pushes a m 2.20 kg block a distance de 6,20 m along the floor by a constant force of magnitude F-16.0 N directed at an angle - 23.0 below the horizontal as shown in the figure Assume the floor is frictionless. (Enter your answers in joules.) (a) Determine the work done on the block by the applied force (the force on the block exerted by the dock worker) (b) Determine the work done on the...
A worker pushes am 2.40 kg carton a distanced 6,00 m along the floor by a...
A worker pushes am 2.40 kg carton a distanced 6,00 m along the floor by a constant force of magnitude F-160 N directed at an angle 8-24.0below the horizontal as shown in the figure. Assume the floor is frictionless. (Enter your answers in joules.) (a) Determine the work done on the carton by the applied force (the force on the carton exerted by the worker) (b) Determine the work done on the carton by the normal force exerted by the...
A block of mass m 3.90 kg is pushed a distance d = 5.90 m along...
A block of mass m 3.90 kg is pushed a distance d = 5.90 m along a frictionless, horizontal table by a constant applied force of magnitude F = 16.0 N directed at an angle θ = 30.0° below the horizontal as shown in the figure below. (a) Determine the work done on the block by the applied force (b) Determine the work done on the block by the normal force exerted by the table. c) Determine the work done...
A block of mass m = 5.00 kg is pushed a distance d = 3.00 m...
A block of mass m = 5.00 kg is pushed a distance d = 3.00 m along a frictionless, horizontal table by a constant applied force of magnitude F = 20.0 N directed at an angle theta = 37.0 degree below the horizontal as shown in Figure. Determine the work done on the block by (a) the applied force, (b) the normal force exerted by the table, (c) the gravitational force, and (d) the net force on the block.
4. A box of mass m 56.0 kg is pushed along a horizontal floor (frictionless floor)...
4. A box of mass m 56.0 kg is pushed along a horizontal floor (frictionless floor) a distance d 2.50 m. The constant force exerted on the box makes an angle of 27.0° directed below the horizontal. If the work done by the mover is W 200J, find exerted force? 89.8 N a. b. 549 N 616 N C. d. 176 N?
A factory worker pushes a 28.1 kg crate a distance of 4.1 m along a level...
A factory worker pushes a 28.1 kg crate a distance of 4.1 m along a level floor at constant velocity by pushing downward at an angle of 31 ∘ below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.26. Part A: What magnitude of force must the worker apply to move the crate at constant velocity? Part B: How much work is done on the crate by this force when the crate is pushed a...
A factory worker pushes a 30.0 kg crate a distance of 4.5 m along a level...
A factory worker pushes a 30.0 kg crate a distance of 4.5 m along a level floor at constant velocity by pushing downward at an angle of 30° below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. Part A What magnitude of force must the worker apply to move the crate at constant velocity? Part B How much work is done on the crate by this force when the crate is pushed a distance of 4.5 m? Part C How...
A factory worker pushes a 29.3 kg crate a distance of 4.1 m along a level...
A factory worker pushes a 29.3 kg crate a distance of 4.1 m along a level floor at constant velocity by pushing downward at an angle of 28 ∘ below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. 1) What magnitude of force must the worker apply to move the crate at constant velocity? 2) How much work is done on the crate by this force when the crate is pushed a distance of...
A person pushes a 16.0-kg shopping cart at a constant velocity for a distance of 24.0...
A person pushes a 16.0-kg shopping cart at a constant velocity for a distance of 24.0 m. She pushes in a direction 30.0° below the horizontal. A 30.0-N frictional force opposes the motion of the cart. (a) What is the magnitude of the force that the shopper exerts? N (b) Determine the work done by the pushing force. J (c) Determine the work done by the frictional force. J (d) Determine the work done by the gravitational force. J
A worker pushes a 100 kg crate upward a distance 5.0 m along a frictionless conveyer...
A worker pushes a 100 kg crate upward a distance 5.0 m along a frictionless conveyer that makes an angle of 30 degrees with the horizontal. The force she exerts is parallel to the conveyer. If the speed of the crate is constant, the work done by the worker is A 250 J B -2,500 J C 2,500 J D 500 J E -250 J F -500 J
MY NOTES A dock worker pushes a m 2.20 kg block a distance de 6,20 m along the floor by a constant force of magnitude F-16.0 N directed at an angle - 23.0 below the horizontal as shown in the figure Assume the floor is frictionless. (Enter your answers in joules.) (a) Determine the work done on the block by the applied force (the force on the block exerted by the dock worker) (b) Determine the work done on the...
A worker pushes am 2.40 kg carton a distanced 6,00 m along the floor by a constant force of magnitude F-160 N directed at an angle 8-24.0below the horizontal as shown in the figure. Assume the floor is frictionless. (Enter your answers in joules.) (a) Determine the work done on the carton by the applied force (the force on the carton exerted by the worker) (b) Determine the work done on the carton by the normal force exerted by the...
A block of mass m 3.90 kg is pushed a distance d = 5.90 m along a frictionless, horizontal table by a constant applied force of magnitude F = 16.0 N directed at an angle θ = 30.0° below the horizontal as shown in the figure below. (a) Determine the work done on the block by the applied force (b) Determine the work done on the block by the normal force exerted by the table. c) Determine the work done...
A block of mass m = 5.00 kg is pushed a distance d = 3.00 m along a frictionless, horizontal table by a constant applied force of magnitude F = 20.0 N directed at an angle theta = 37.0 degree below the horizontal as shown in Figure. Determine the work done on the block by (a) the applied force, (b) the normal force exerted by the table, (c) the gravitational force, and (d) the net force on the block.
4. A box of mass m 56.0 kg is pushed along a horizontal floor (frictionless floor) a distance d 2.50 m. The constant force exerted on the box makes an angle of 27.0° directed below the horizontal. If the work done by the mover is W 200J, find exerted force? 89.8 N a. b. 549 N 616 N C. d. 176 N?
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