UHC MEDICARE BASICS EXAM AND PRACTICE
EXAM NEWEST 2024 ACTUAL EXAM COMPLETE
2. Somebody who says "That's only a theory" likely doesn't know that a scientific theory
is
(a) an educated guess.
(b) a hypothesis.
(c) a vast synthesis of well-tested hypotheses and facts.
(d) None of these. - answer>>>>C
20. Lift a 100-N crate with an ideal pulley system by pulling a rope downward with 25 N
of force. For every 1-m length of rope pulled down, the crate rises
(a) 25 cm. (b) 25 m. (c) 50 cm. (d) None of these. - answer>>>>A
21. When 100 J are put into a device that puts out 40 J of useful work, the efficiency of
the device is
(a) 40%. (b) 50%. (c) 60%. (d) 140%. - answer>>>>A
22. A machine cannot multiply
(a) forces. (b) distances. (c) energy. (d) None of these. - answer>>>>C
23. When a tin can is whirled in a horizontal circle, the net force on the can acts
(a) inward. (b) outward. (c) upward. (d) None of these. - answer>>>>A
24. A torque is a force
(a) like any other force.
(b) multiplied by a lever arm. (c) that is fictitious.
(d) that accelerates things. - answer>>>>B
25. The rotational inertia of an object is greater when most of the mass is located
(a) near the rotational axis. (b) away from the axis.
(c) on the rotational axis. (d) off center. - answer>>>>B
26. If the Sun were twice as massive, its pull on Mars would be
(a) unchanged. (b) twice as much.
(c) half as much. (d) four times as much. - answer>>>>B
27. The highest ocean tides occur when Earth and the Moon are
EXAM NEWEST 2024 ACTUAL EXAM COMPLETE
2. Somebody who says "That's only a theory" likely doesn't know that a scientific theory
is
(a) an educated guess.
(b) a hypothesis.
(c) a vast synthesis of well-tested hypotheses and facts.
(d) None of these. - answer>>>>C
20. Lift a 100-N crate with an ideal pulley system by pulling a rope downward with 25 N
of force. For every 1-m length of rope pulled down, the crate rises
(a) 25 cm. (b) 25 m. (c) 50 cm. (d) None of these. - answer>>>>A
21. When 100 J are put into a device that puts out 40 J of useful work, the efficiency of
the device is
(a) 40%. (b) 50%. (c) 60%. (d) 140%. - answer>>>>A
22. A machine cannot multiply
(a) forces. (b) distances. (c) energy. (d) None of these. - answer>>>>C
23. When a tin can is whirled in a horizontal circle, the net force on the can acts
(a) inward. (b) outward. (c) upward. (d) None of these. - answer>>>>A
24. A torque is a force
(a) like any other force.
(b) multiplied by a lever arm. (c) that is fictitious.
(d) that accelerates things. - answer>>>>B
25. The rotational inertia of an object is greater when most of the mass is located
(a) near the rotational axis. (b) away from the axis.
(c) on the rotational axis. (d) off center. - answer>>>>B
26. If the Sun were twice as massive, its pull on Mars would be
(a) unchanged. (b) twice as much.
(c) half as much. (d) four times as much. - answer>>>>B
27. The highest ocean tides occur when Earth and the Moon are