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B.Tech Robotics Statics and Torque — practice questions

Explore 33 free Statics and Torque questions in B.Tech Robotics Mechanics. Open each question or exercise to read its content, reference answers and available explanation.

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Statics and Torque questions and exercises with answers

Showing questions 1–30 of 33.

Match each torque symbol to its jobRead the answer and worked solution →Sort each case: static or dynamicRead the answer and worked solution →Order the statics solving stepsRead the answer and worked solution →Complete each balance formulaRead the answer and worked solution →Call each torque claim true or falseRead the answer and worked solution →Sort each case: stable or unstableRead the answer and worked solution →Tap the machines that multiply forceRead the answer and worked solution →Pick the bigger force multiplierRead the answer and worked solution →Flip to match machine and advantageRead the answer and worked solution →Snap-pick the torque numbersRead the answer and worked solution →Tap the one that does not belongRead the answer and worked solution →Spot the false claim about musclesRead the answer and worked solution →Type the turning answers fastRead the answer and worked solution →Tap the wrong word in each claimRead the answer and worked solution →What does the field of statics study?Read the answer and worked solution →What is the first condition necessary for a system to be in equilibrium?Read the answer and worked solution →What is the SI unit of torque?Read the answer and worked solution →You push perpendicular to a door with a force of 40 N at a distance of 0.800 m from the hinges. What torque do you exert about the hinges?Read the answer and worked solution →What is the center of gravity of a body?Read the answer and worked solution →A system is displaced slightly from equilibrium and feels a net torque directed opposite to the displacement. What kind of equilibrium is it in?Read the answer and worked solution →A ball rests exactly on top of a hill. Nudged slightly, it accelerates further away from the crest. What kind of equilibrium was it in?Read the answer and worked solution →A marble rests on a flat horizontal table. Moved to a new spot, it simply stays there. What kind of equilibrium is this?Read the answer and worked solution →How does a person standing on two feet increase stability?Read the answer and worked solution →Why is a chicken in very stable equilibrium compared with a standing adult human?Read the answer and worked solution →A uniform table rests on four legs placed symmetrically about its center of gravity. What fraction of the table weight does each leg support?Read the answer and worked solution →What does a simple machine do for its operator?Read the answer and worked solution →How is the mechanical advantage of a simple machine defined?Read the answer and worked solution →What is a lever?Read the answer and worked solution →A wheelbarrow has its load at a perpendicular lever arm of 7.50 cm from the wheel axle and the hands at 1.02 m from that axle. What is its mechanical advantage?Read the answer and worked solution →What is the mechanical advantage of a single ordinary pulley used to lift a load?Read the answer and worked solution →

Worked practice questions

Match each torque symbol to its job

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Matching pairs
  1. Left
    tau
    Right
    Turning effectiveness of a force
  2. Left
    r
    Right
    Distance from pivot to force point
  3. Left
    F
    Right
    Magnitude of the applied force
  4. Left
    theta
    Right
    Angle between force and pivot vector
  5. Left
    r perp
    Right
    Shortest pivot distance to force line
  6. Left
    N m
    Right
    SI unit that torque is measured in
Instructions
Tap a symbol, then tap the phrase that defines it.
_Source: OpenStax College Physics, section 9.2 The Second Condition for Equilibrium_

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Sort each case: static or dynamic

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Left
Static
Items
  1. Item
    Motionless person
    Answer
    Static
  2. Item
    Constant velocity
    Answer
    Dynamic
  3. Item
    Car cruising level
    Answer
    Dynamic
  4. Item
    Rocks in a canyon
    Answer
    Static
  5. Item
    Stick flat on ice
    Answer
    Static
  6. Item
    Speed stays fixed
    Answer
    Dynamic
  7. Item
    Air drag balanced
    Answer
    Dynamic
  8. Item
    Nothing is moving
    Answer
    Static
Right
Dynamic
Instructions
Swipe left if the body sits still, right if it keeps moving at constant velocity.
_Source: OpenStax College Physics, section 9.1 The First Condition for Equilibrium_

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Order the statics solving steps

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Steps
  1. Confirm statics
  2. Draw free body
  3. Set net F, net tau
  4. Check the answer
Instructions
Tap the four steps in the order a balance problem is worked.
_Source: OpenStax College Physics, section 9.4 Applications of Statics, Including Problem-Solving Strategies_

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