a. Define each of the following terms used with simple machines:

i. Pivot ii.Load iii. Efficiency.

b. A truck of mass 1.2 × \(10^3\) kg is pulled from rest by a constant horizontal force of 25.2N on a leveled road. If the maximum speed attainable in the process is 60 km/h.
Calculate the: i. work done by the force; ii. distance traveled by the truck in reaching the maximum speed.

c. State two differences between absolute zero temperature and ice point.

d. An uncalibrated liquid-in-glass thermometer was used in determining a Celsius temperature. The readings are tabulated below

     

Temperature/°C	-6	0	100
Length of column/ cm	L	2.0	15.0