Physics
(a) Convert to SI unit: 1 J/g °F
(b) Why does 1 g of water at 0°C have 336 J more heat energy than 1 g of ice at 0°C?
Related Questions
Study the diagram and answer the questions that follow.

(a) In the diagram, is the worker attempting to raise or lower the load?
(b) Justify your answer to (a) with the necessary calculation.
The graph shows load against effort for a lever with load and effort on the same side of the fulcrum.

(a) Which feature of the load and effort graph must be calculated to determine mechanical advantage?
(b) Which class does this lever belong to?
Match the columns by choosing the body part and corresponding mechanical lever of the same class.
Human body part Mechanical lever i. Nodding head (a) Bottle Opener ii. Lifting body weight on your toes. (b) Tongs (c) See-Saw Redraw the diagram by linking points A, B, and C to points X, Y, and Z on the socket.
