Determine the magnitude of restoring force for a pendulum bob of mass 100.0g that has been pulled to an angle of 100 from the vertical.
a) 0.617N
b) 0.167N
c) 6.17N
d) -0.167
A
light year is distance traveled by light in one year. It travels about 9.460×1015
m. How many significant figures are in this number?
a) 6
b) 2
c) 3
d) 4
If the torque
is 20 Nm and the moment arm is 0.1 m, what is the force applied?
a) 200 N
b) 100 N
c) 0.002 N
d) 0.001 N
The unit of gravitational constant (G) is………
a) Nm2kg2
b) Nmkg2
c)Nm2kg
d) Nm2kg-2
