Work, Force And Motion Question Preview (ID: 5864)


Speed, Acceleration, Work, Simple Machines. TEACHERS: click here for quick copy question ID numbers.

A girl runs 50 meters in five seconds. What is her average speed?
a) 2 metes per second
b) 5 meters per second
c) 10 meters per second
d) 50 meters per second

A machine did 25 Joules of work on a 5 kg box. How far did the box move? W = F x d
a) 1 meter
b) 5 meters
c) 125 meters
d) 0.2 meters

In what ways can an object accelerate?
a) speed up
b) slow down
c) change direction
d) all of these

How much force is needed to accelerate a 10 kg object to 2 m/s/s? F = m x a
a) 2 N
b) 5N
c) 10 N
d) 20 N

A boy picked up a 10 kg box three meters. How much work did the boy do? W = F x d
a) 3.33 J
b) 10 J
c) 30 J
d) 300 J

What type of simple machine would you use to pry open a paint can?
a) wheel and axle
b) inclined plane
c) screw
d) lever

What type of simple machine raises or lowers objects from one height to another?
a) inclined plane
b) screw
c) wedge
d) wheel and axle

Which simple machine is used for cutting or separating objects?
a) lever
b) wedge
c) pulley
d) wheel and axle

Which simple mahcine consists of a grooved wheel and a rope or cable?
a) wheel and axle
b) pulley
c) screw
d) inclined plane

Which simple machine has a rod that rotates around a fulcrum?
a) wedge
b) wheel and axle
c) lever
d) pulley

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