Motion
Forces
Scale of Force
Gravity
100

The direction of the acceleration vector on an object moving in a circular path

What is toward the center?

100
The net force on an object in circular motion
What is the centripetal force?
100
If the mass of an object is doubled this is the effect on the centripetal force
What is it is doubled?
100
The acceleration of gravity on earth
What is 9.81m/s^2 or 10m/s^2
200
The angle between the velocity and acceleration of an object in circular motion
What is 90 degrees?
200
The imaginary force associated with circular motion and inertia
What is centrifugal motion?
200
The effect on the force of gravity when the masses of both objects double
What is it is four times as strong?
200

This is the value of G

What is 6.67x10^-11

300
The direction a ball would travel if it were moving in a clockwise path and let go at its highest point
What is to the right?
300
If the radius of a circular path decreases what will happen to the centripetal force
What is it will increase?
300
The change in the centripetal force when the radius triples
What is the force is divided by three?
300

Between the earth and the moon which applies the greatest gravitational force to the other?

What is they are the same

400
the velocity of a ball spinning on a 1m long string once every second
What is 6.28m/s?
400
The centripetal force on a .75kg ball spinning around a 1.5m radius with a velocity of 3m/s
What is 4.5N
400
The effect of doubling one mass and doubling the radius on the gravitational force
What is dividing it in half
400

The gravitational force between two 5kg objects 3m apart

What is 1.85x10^-10N

500
the acceleration of a car going around a 20m radius curve at 5m/s.
What is 1.25m/s^2
500
The velocity of a 800kg car experiencing 400N of force around a 45m radius curve
What is 4.75m/s?
500
The effect on the gravitational force of doubling both masses and tripling the distance.
What is a factor of 4/9
500

The acceleration due to gravity on Mars. (M = 6.39x1023 kg, R = 3.39 x 106 m)

What is 3.7 m/s2

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