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11 Dec 2019
1. Under which circumstance does the center of gravity of an object coincide with the center of mass?
a. when the mass is uniformly distributed
b. when the center of mass is located inside the object
c. when the value of the gravitational acceleration is the same throughout the object.
2. If the net force and the net torque on a moving object are both zero, can the object be in static equilibrium?
a. yes
b. No
3. If an object is to be in equilibrium, which of the following must be true of the linear momentum of its center of mass?
a. must be increasing at a steady rate
b. must be decreasing at a steady rate
c. must be constant
1. Under which circumstance does the center of gravity of an object coincide with the center of mass?
a. when the mass is uniformly distributed
b. when the center of mass is located inside the object
c. when the value of the gravitational acceleration is the same throughout the object.
2. If the net force and the net torque on a moving object are both zero, can the object be in static equilibrium?
a. yes
b. No
3. If an object is to be in equilibrium, which of the following must be true of the linear momentum of its center of mass?
a. must be increasing at a steady rate
b. must be decreasing at a steady rate
c. must be constant
Deepak Kumar Lv7
24 Sep 2020
