Which unit abbreviation is a measurement of force?

A 20 kg mass is dropped from a tall rooftop and accelerates at 9.8 m/s2. What is the weight of the dropped object?

A man performed 500 j of work moving a couch in his living room. It took him 10 seconds to move the couch. What was his power? 100w 5000w 490w 50w

Newton concluded that some force had to act on the moon because

What is the voltage drop through a resistor of 6 ohms (2 amps) ?

A jet travels 300 km in 15 minutes. did it break the sound barrier?

Lexy throws a dart with an initial velocity of 25m/a at an angle of 60 degrees relative to the ground. What is the approximate vertical component of the i ritual velocity?

True or false electronic machines with no moving parts experience friction and get hot because electricity is moving through the wires

I'm having trouble figuring out how to study for my science test, it's based off of everything we've learned but I'm afraid there's some things I misunderstood during the year that will effect me on the test, and suggestions?!!

The air over Earth's surfaces absorbs heat from the materials of Earth. In Section 3 of the experiment, the air over the sand the air over the water because sand water.

Describe the rise and fall of a basketball using the concepts of kinetic energy and potential energy