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ICSE Class 10 Force and Machines — practice questions

Explore 167 free Force and Machines questions in ICSE Class 10 Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Force and Machines questions and exercises with answers

Showing questions 1–30 of 167.

Match turning effect terms to meaningsRead the answer and worked solution →Order the steps to find a lever's M.A.Read the answer and worked solution →What is the SI unit of force?Read the answer and worked solution →Which kind of motion happens when a fan blade rotates about its axis?Read the answer and worked solution →Moment of a force about a point is defined as which product?Read the answer and worked solution →The SI unit of moment of force is:Read the answer and worked solution →An anticlockwise moment is conventionally taken as:Read the answer and worked solution →Which everyday tool best illustrates a couple?Read the answer and worked solution →A body remains at rest under the action of several forces. This state is called:Read the answer and worked solution →Which of these is an example of dynamic equilibrium?Read the answer and worked solution →Which of the following is NOT a unit of moment of force?Read the answer and worked solution →Why is the handle of a door fixed near the edge opposite the hinges?Read the answer and worked solution →A force of 20 N is applied perpendicular to a spanner at a distance of 0.25 m from the bolt. What is the moment about the bolt?Read the answer and worked solution →A couple consists of two equal and opposite forces of 4 N each, separated by 0.30 m. The moment of the couple is:Read the answer and worked solution →Which statement about a body in dynamic equilibrium is correct?Read the answer and worked solution →1 kgf m equals approximately how many Nm?Read the answer and worked solution →A long spanner is preferred over a short one to open a tight bolt because a long spanner:Read the answer and worked solution →Why is a vehicle's steering wheel made large in diameter?Read the answer and worked solution →A force of 10 N acts at 60° to a 0.4 m long lever, measured from the pivot end. What is the moment about the pivot?Read the answer and worked solution →A heavy wheel is to be lifted using a crowbar. To minimise effort, the fulcrum should be placed:Read the answer and worked solution →Pick the bigger turning effectRead the answer and worked solution →Flip cards to link the lever classesRead the answer and worked solution →Mechanical advantage of a machine is the ratio of:Read the answer and worked solution →Velocity ratio of a machine is:Read the answer and worked solution →Efficiency of a machine equals:Read the answer and worked solution →A class I lever has the fulcrum:Read the answer and worked solution →A nutcracker is an example of which class of lever?Read the answer and worked solution →A wheelbarrow is an example of which class of lever?Read the answer and worked solution →A pair of sugar tongs is an example of:Read the answer and worked solution →Single fixed pulley has mechanical advantage of:Read the answer and worked solution →

Worked practice questions

Match turning effect terms to meanings

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Matching pairs
  1. Left
    Moment of a force
    Right
    Force × perpendicular distance
  2. Left
    Couple
    Right
    Two equal and opposite forces
  3. Left
    Centre of gravity
    Right
    Point where weight effectively acts
Instructions
Tap a term about turning forces, then tap the description that defines it.

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Order the steps to find a lever's M.A.

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Steps
  1. Identify load and effort
  2. Measure effort arm (distance from fulcrum to effort)
  3. Measure load arm (distance from fulcrum to load)
  4. Use M.A. = load / effort = effort arm / load arm
Instructions
Tap the steps in order to work out the mechanical advantage of a lever.

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What is the SI unit of force?

  1. Newton
  2. Joule
  3. Watt
  4. Pascal
Show answer and solution

Correct answer: A. Newton

1. Force is defined as a push or pull that changes the state of motion of a body. 2. From Newton's second law, F = m·a, so its unit is kg·m/s². 3. This combined unit is given the name Newton (N) in the SI system. _Source: Selina Concise Physics ICSE Class 10, Ch 1 'Force' (icsehelp.com chapter extract)_

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