An ______ simply slope over which a load can be pushed up or down.
Pulley
Inclined plane
Screw
Wedge
Which one is example for simple machines?
Lever
Chair
Both a & b
A pull or push is called a
Force
Energy
Reflection
None of these
Which one is example of wheel and axle?
Steering wheel
Pedal
Screwdriver
All of these
Which can be used to push or pull something ?
Velocity
Length
Breadth
Which help us to walk ?
Friction
Inertia
Collision
Forces can change the ____________ of moving things.
Smell
Taste
Direction
The force exerted by the muscles of our body is called
Muscular force
Mechanical force
Elastic force
Gravitational force
Which of the following is made from a wheel and a rope ?
axle
If the two _____________ forces are equal the object remains stationary.
Frictional
Opposing
Same