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WorksheetsCircular Motion and Gravity
Total questions: 15
Worksheet time: 42mins
A 12 kg object undergoes circular motion with a radius of 4 m and a speed of 18 m/s. What is the centripetal acceleration of the object?
1.125 m/s2
81 m/s2
4.5 m/s2
36 m/s2
The diagram shows an object traveling at a constant speed in a circular path. Which labeled arrow represents the centripetal force acting on the object?
W
Z
X
Y
What is the direction of the velocity at point B, if the ball is revolving clockwise?
up
right
down
left
Centripetal acceleration always points
in the direction of the object's motion
in the opposite direction of the object's motion
towards the center of the circle
towards the outside of the circle
What would the force between them be if the distance between them were doubled?
What would the force between them be if the distance between them were divided by 2?
What would the force between them be if both of the masses were doubled?
What's the acceleration of gravity of a planet with a mass of 1 x 1025 kg and a radius of 5x106 meters?
.267 m/s2
2.67 m/s2
26.7 m/s2
267 m/s2
Two object each have masses of 9,000,000 kg and are 1 meter apart from each other. What's the force of gravity between them?
5402 N
6320 N
7541 N
7945 N
Two objects each have masses of 4500 kg and are .03 meters apart from each other. What's their force of gravity?
.3 N
.7 N
1.1 N
1.5 N
