# Circular Motion Part 2: Question Preview (ID: 30231)

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As the radius increases the centripetal force
a) increases
b) decreases
c) stays the same
d)

If mass increases, the centripetal force
a) increases
b) decreases
c) stays the same
d)

As the mass of an object increases, the gravitational force:
a) increases
b) decreases
c) stays the same
d)

As distance between objects increases, the gravitational force
a) increases
b) decreases
c) stays the same
d)

What force causes all objects to rotate around the sun
a) centripetal
b) centrifugal
c) gravity
d) inertia

The shape that describes the orbits of all planets and comets is
a) orbital
b) circular
c) parabolic
d) elliptical

The point around a object will naturally spin is
a) the center of gravity
b) the center of support
c) the center of mass
d) the center of force

To prevent a box from toppling over, the box center of gravity must:
a) Be outside of the area of support
b) Be over the area of support
c) Be in the very center of the box
d) Be bigger than the box

You are able to spin a ball on your finger because:
a) The center of gravity is over your finger
b) The area of support is outside of your finger
c) the spinning creates a gravitational force on your finger
d)

As velocity increases, the centripetal force
a) increase
b) decreases
c) stays the same
d)

where would you encounter the least amount of gravity?
a) on our moon
b) on Earth
c) on Jupiter
d) on Pluto

Which object is NOT accelerating?
a) A car turning around a corner at a constant speed
b) A car coming to a stop
c) A runner speeding up to reach the finish line
d) A plane cruising due west

what 3 factors affect the amount of centripetal force
a) mass, velocity and direction