A20 kg mass is dropped from a tall rooftop and accelerates at 9.8 m/s2. what is the weight of the dropped object? a) 0 n b) 9.8 n c) 20 n d) 196 n

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class