Energy And Simple Machines Question Preview (ID: 1300)


Energy And Simple Machines.

The kinetic energy of an object increases as its _____ increases
a) specific heat
b) potential energy
c) velocity
d) height

Question ID#: 13148 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

A slanted surface used to raise an object is a(n)
a) inclined plane
b) screw
c) effort ramp
d) efficiency board

Question ID#: 13149 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

A bar that is free to pivot about a fixed point is a
a) fulcrum
b) wedge
c) lever
d) ramp

Question ID#: 13150 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

The work output of a machine compared to the work input is the _____ of the machine.
a) effort
b) power
c) resistance
d) efficiency

Question ID#: 13151 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

The unit of power is the
a) joule
b) MA
c) watt
d) second

Question ID#: 13152 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

Which of the following CANNOT be done by a simple machine?
a) change the direction of a force
b) decrease the amount of work done
c) decrease the time it takes to do work
d) transfer energy from one location to another

Question ID#: 13153 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

How much work is done on an object that is moved 10 m with a force of 2 N?
a) 50 J
b) 5 J
c) 20 J
d) 2 J

Question ID#: 13154 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

An inclined plane wrapped around a cylindrical post is a
a) wedge
b) screw
c) block and tackle
d) lever

Question ID#: 13155 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

An arrangement of pulleys designed to reduce the effort force is called a
a) simple pulley
b) fixed pulley
c) moveable pulley
d) block and tackle

Question ID#: 13156 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

Potential energy because of height above Earth’s surface is called _____ potential energy.
a) kinetic
b) chemical
c) mechanical
d) gravitational

Question ID#: 13157 - quick copy the above question directly into your dataset in your teacher account by entering this number into the 'Search by Question ID' under the 'Search for Question' tab during dataset creation [more info]

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