2.2 Gravity

Multiple Choice

A person would weigh more on Jupiter than on the Earth because . . .

• Jupiter has more mass, and therefore more gravity
• Jupiter has less mass, and therefore more gravity
• Jupiter has more mass, and therefore less gravity
• Jupiter has less mass and therefore less gravity

Multiple Choice

Which of the following will not change in different gravitational fields?

• weight
• force
• mass
• pounds

Multiple Choice

Ball A is thrown horizontally with an initial velocity and Ball B is dropped from rest. They both start at the same height and are dropped at the same time. If we ignore air resistance, which ball hits the ground first?

• They hit at the same time

• Ball A

• Ball B

• It depends on the mass

Multiple Choice

What is the vertical acceleration of a projectile?

• 0 m/s^2

• -9.8 m/s^2

• 2 m/s^2

• 0.5 m/s^2

Multiple Choice

When the air resistance or drag is equal and opposite to the weight of the object you would call this

• terminal velocity

• gravitational weight

• flux capacitor

• rotational inertia

Multiple Choice

Here is a list of astronomical objects and their gravity:

Sun 274

Moon 1.6

Mars 3.77

Jupiter 25

Earth 9.8

Where would you weigh the least

• Sun

• Moon

• Mars

• Earth

• Jupiter

Multiple Choice

When an object is in free fall it is said to be ___________

• moving at terminal velocity

• weightless

• in microgravity

• all of the above