Chapter 5; FORCES

Another name for the Force of gravity is ?

• mass

• gravitational constant

• weight

• kilograms

If you have an object that is suspended, the force that is used to hold the object is the ___________ force.

• frictional

• tension

• normal

• gravitational

If you have the weight of an object in Newtons, how can you find its mass on Earth?

• multiply by 9.8

• divide by 9.8

• multiply by 0.45 and then 9.8

• multiply by 0.45 and then divide by 9.8

In a free-body diagram you must pay attention to the magnitude and the ___________ of the arrows to determine the ___________ force.

• direction, normal

• length, applied

• length, normal

• direction, net

An instrument to measure weight is called a what?

• balance

• weigher

• spring scale

• Newtonimer

Which of the following DOES NOT CHANGE depending on the "g" force.

• weight in pounds

• weight in Newtons

• weight in ounces

• mass

On which planet of the ones listed below would you have the least weight?

• Earth

• Mars, where g = 3.7 N/kg

• Jupiter, where g = 23.1 N/kg

• Moon, where g = 1.6 N/kg

Which of the following affects the speed of a moving object the most?

• drag

• air friction

• rolling friction

• sliding friction

Forces always occur in ___________ and act on what?

• multiples of 3, separate objects

• multiples of 2, separate objects

• multiples of 3, the same object

• multiples of 2, the same object

For movement to occur?

• static friction must equal more than 0 Newtons

• rolling friction must equal more than 0 Newtons

• there must be a net force = 0 Newtons

• there must be unbalanced forces