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    renna's Avatar
    renna Posts: 1, Reputation: 1
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    #1

    Oct 24, 2006, 03:57 PM
    Force & acceleration
    What force is required to accelerted a lawnmower of mass 12kg to 4.5km/h from rest in 3.0s (neglecting friction)
    rudi_in's Avatar
    rudi_in Posts: 251, Reputation: 45
    Full Member
     
    #2

    Oct 24, 2006, 04:07 PM
    Thank you for posting your question to the Ask Me Help Desk.

    Here are some steps to help you solve this one.

    1. Convert from km/hr to m/s
    2. Solve for acceleration
    3. Solve for the force using Force = mass x acceleration
    4. Be sure to use the correct units

    Let me know what you come up with!

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