A person pushes a 16.0 kg lawn mower at constant speed with a force of 84.0 N directed along the handle, which is at an angle of 45.0° to the horizontal. ▼ Search Results Yahoo Search Results Part B Calculate the horizontal friction force on the mower. Express your answer with the appropriate units. F₁, = Submit Part C LON fl μA Ω % Value Units The unit you entered is not recognized. Review a list of acceptable units. No credit lost. Try again. Previous Answers Request Answer ? Course H P Pearson Calculate the normal force exerted vertically upward on the mower by the ground. Express your answer with the appropriate units.

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!