4 13681.10R Question 1 Requirements • 22 Ω resistor × 5 • Component holder × 3 • Opaque box to hold component holder × 3 • Connecting leads × 10 • Milliammeter to read up to 200 mA to 0.1 mA • Voltmeter to read to 0.01 V • 1.5 V cell in holder • Switch Question 2 Requirements • Newtonmeter 0–10 N to 0.1 N × 2 • Pulley to be hung from or clamped to retort stand × 2 • Retort stand, 75 cm tall × 2 • G clamp × 2 • String • 100 g mass hanger × 2 • 50 g masses × 4 • Sand • Small plastic bag such as a food storage bag • Paperclip • Protractor to 1°