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Sophia exerts a steady 40-N horizontal force on a 8-kg box resting on a lab bench. The box slides against a horizontal friction force of 24 N. Show that the box accelerates at 2 m/s2.
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Jan 10, 2015
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Sophia exerts a steady 40-N horizontal force on a 8-kg box resting on a lab bench. The box slides against a horizontal friction force of 24 N. Show that the box accelerates at 2 m/s2.
Physics
high-school
Anurag Peshne
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f=ma where f is force, m is mass, and a is acceleration.
The net force is 40-24=16N and the box is 8kg.
You can rearranage f=ma to make a the subject by dividing by m, so f/m=a
16/8=2m/s^2
Zygimantus
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Jan 14, 2015
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Zygimantus
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Sophia exerts a steady 40-N horizontal force on a 8-kg box resting on a lab bench. The box slides against a horizontal friction force of 24 N. Show that the box accelerates at 2 m/s2.
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