Machines

A) 4 times B) 200 times C) 280 times D) 6 times Answer: D Explanation: Mechanical advantage = load ÷ […]

A) 2 times B) 25 times C) 4 times D) 75 times Answer: C Explanation: Mechanical advantage = load ÷ […]

A) 3 times B) 4 times C) 90 times D) 150 times Answer: B Explanation: Mechanical advantage = load ÷ […]

A) 3 times B) 2 times C) 50 times D) 200 times Answer: A Explanation: Mechanical advantage = load ÷ […]

A) Crank B) Inclined plane C) Fixed pulley D) Mechanical advantage Answer: C Explanation: Fixed pulley means a pulley attached […]

A) Pulley B) Gear C) Sprocket D) Third-class lever Answer: C Explanation: Sprocket means a toothed wheel engaging a chain. […]

A) Movable pulley B) Compound machine C) Efficiency D) Wheel and axle Answer: C Explanation: Efficiency means the fraction of […]

A) A single atom B) Only a spring C) A machine without moving parts D) A device combining two or […]

A) A type of battery B) A toothed wheel that can transfer rotation C) A smooth mirror D) A magnetic […]

A) Axle B) Load C) Effort arm D) Fulcrum Answer: D Explanation: A lever rotates around its fulcrum. The positions […]