How can you know when an object has unbalanced force on it

If you cut a metal cube into four pieces, do the new pieces have a different mass than the original cube? Do the new pieces have a different density than the original cube?

How are mass, weight, density and gravity related?

Which of the following is a result of gravitational forces in the Solar System? A. the radiation given off by Jupiter B. Saturn is further away from the Sun than Earth C. the difference in surface temperature on each of the planets D.

Is the law of inertia applies to both moving and nonmoving objects?

The acceleration due to gravity on the moon is 1.6 m/sec. what does a 10kg mass weigh on the moon

Ron bicycles forward with an acceleration of 2.1 m/s2. If he is applying a forward force of 195 N, what is his mass?

Diane swim 5 kilometers against the current in the same amout of time it took her to swim 15 kilometers with the current. The rate of the current was 2 kilometers per hour. How fast would diane swim if there were no current?

A man paddles a canoe in a long, straight section of a river. The canoe moves downstream with constant speed 5 m/s relative to the water. The river has a steady current of 1 m/s relative to the bank. The man's hat falls into the river.

In an atom, almost all of the mass is concentrated in a tiny nucleus because

A truck travels down the highway at a speed of 110 km/hr. How long does the trip last if the truck covered 2200km?