force and types if force

Name the force operating between planets and their satellites.

• Frictional

• Gravitational

• Electrostatic

• all of the above

Force is necessary to change ________ and ________ of an object.

• weight and shape

• direction and weight

• speed and weight

• shape and direction

Who discovered about gravity/gravitation in the 17th century?

• sir Isaac Newton

• Galileo

• Shakespeare

________ is necessary to change the shape of an object.

Can we determine the weight of an object by hanging it from the hook of a spring balance.

• True

• False

A person slips and falls on the floor due to lack of _________force.

• muscular

• frictional

• magnetic

No object changes its position on its on.

• Agree

• Disagree

What is mechanical force?

• the force applied by earth to pull objects to itself

• the force applied with the help of muscles

• the applied by the means of machines.

• all of the above

Greater force most be applied to lift a greater weight.

• correct

• incorrect

Find the odd one out.

• magnetic force

• muscular force

• random force

• frictional force