Which of the following is made from a wheel and a rope ?
Pulley
Lever
axle
Screw
Forces can change the ____________ of things
Smell
Speed
Quantity
None of these
Which of the following is done when force moves on object through a certain distance ?
Force
Work
Wedge
Energy
Small tools are called
Simple machines
What is needed to move light things?.
Weak force
Strong force
Negative force
An ______ simply slope over which a load can be pushed up or down.
Inclined plane
Forces can change the ____________ of moving things.
Taste
Direction
Which pull things towards earth ?
Gravitational force
Frictional force
Magnetic force
Various tools use __________ force to do work
Muscular
Mechanical
Elastic
Gravitational
Which one is example of Levers?
Scissors
Bottle openers
Wheel
Both a & b
