Energy Question Preview (ID: 16280)

Energy, Work, Distance , Force.[print questions] Answers? Play games to get them!

(J) is a unit of
a) potential energy
b) work.
c) kinetic energy
d) any of the above.

What is kinetic energy?
a) the energy an object has due to its motion
b) the stored energy of an object due to its position
c) the energy an object might have if it existed
d) energy from the sun

What is the unit for work
a) mass
b) watts
c) newtons
d) joules

What would have the greatest kinetic energy?
a) a car driving down a hill
b) a person running down a hill
c) a ball rolling down a hill
d) none of the above

Which of the following is the combination of units called a joule?
a) kg · m/s2
b) kg/s2
c) kg · m2/s2
d) kg · m/s

Can you create or destroy energy?
a) yes
b) no
c) only if you are really strong
d) soemtimes

Most all energy comes to and leaves the earth in the form of
a) nuclear energy.
b) chemical energy.
d) kinetic energy.

In the formula W=Fxd, What does the d stand for?
a) distance
b) force
c) work
d) displacement

A volleyball player spiking a ball
a) Kinetic
b) potential
c) no energy
d) magnetic

Sitting in the top of a tree
a) kinetic
b) no energy
c) potential

Is the person doing work? 1. When pushing a 1000 N car 10 m. Lifting a rock off the ground.
a) yes
b) no
c) soemtimes
d) all of the above

Formula or work
a) wxd
b) w/d
c) fxd
d) w/f

unit of distance
a) newton
b) joule
c) meter
d) seconds

La of conservation of energy
a) energy can be create but not destroy
b) energy can not be created or distroy
c) people destroy the energy with pollution.
d) we can creatre energy in lab.

unit of force
a) joule
b) newton
c) meter
d) Kilograms

Is the person doing work? When pushing a 1000 N car 10 m.
a) no
b) yes
c) maybe
d) none of teh above

You use 35 J of energy to move a 7.0 N object. How far did you move it?
a) 5J
b) zero
c) 5M
d) 245J

Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m for 23 seconds.
a) zero
b) 1081J
c) 1161J
d) 1081N

Ifa person is Holding a book in your hands. Is doing work or not?
a) yes
b) no
c) ______
d) ______

A bowling ball sitting on the rack.
a) kinetic
b) potential
c) no energy