1202 Energy & Work

Energy & Work

December 2nd

Multiple Choice

An object has a mass of 10 kg, how much does it weigh?

• 10 N

• 10 kg

• 98 N

• 98 kg

Multiple Choice

How much force would you need to apply to lift a 98 N object straight off the ground?

• less than 98 N

• exactly 98 N

• more than 98 N

Multiple Choice

How much force would you need to apply to continue to lift a 98 N object straight upward at a constant speed?

• less than 98 N

• exactly 98 N

• more than 98 N

Multiple Select

Which free body diagram(s) can represent an object moving straight up?