Forces

Gravitational Force is considered as....

• Contact Force

• Non-Contact Force

is a rope or chain with a wheel and axle attached.

• lever

• Gears

• pulley

.. is a push or pull

• Gravity

• Force

• Air resistance

• Buoyant

Rougher surfaces have ...

• less friction

• greater friction

• the same level of friction

• arrow

• circle

• triangle

• square

What is the name of the forces 1 and 2 ,respectively?

• buoyancy , friction

• gravity , buoyancy

• buoyancy , gravity

• air resistance , gravity

How does friction affect speed?

• more friction decreases speed

• more friction increases speed

• less friction decreases speed

A flagpole is a fixed pulley

• true

• false

•More the number of pulleys and supporting ropes,

…………..the force required

• the bigger

• the smaller

• equal

The rougher the surface, the faster an object will travel over the surface.

• True

• False