Force revision

From which of the following words is the word physics derived from?

• Physike

• Phusikḗ

• Phisike

• Scientia

What does BCE stand for?

• Before Christ Era

• Before Celestial Era

• Before Common Era

• Before Computer Era

During the late 17th and the early 18th centuries, physics was considered a part of the broad category of study called ____________.

• Evolution

• Natural Philosophy

• Philosophy

• Life science

In physics, a body is a collection of identical ____________ contained within a fixed boundary.

• energy

• matter

• space

• time

What type of diagrams are used to represent forces acting on a body.

• Free body diagram

• Arrow diagram

• Body diagram

• None of these

Complete the sentence: Interaction between two bodies

• causes an effect on both the bodies involved.

• causes an effect on only one of the body.

• causes no effect on neither of the bodies involved.

• causes effect on the heavier body.

Which of the following is an example of interaction between non-living objects?

• Strong winds blowing away objects during a storm.

• A water pump, pumping water out of a canal.

• Occurrence of lightning.

• All of these

Which of the following is not caused by a force?

• Change in shape and size of a body.

• Change in direction of motion of the body.

• Change in the mass of the body.

• Change in the speed of the body.

Force can bring a change in the motion of the body by changing the ____________ and speed of a body.

• motion

• Shape

• Length

• Direction

Complete the sentence: A contact force is applied on a body by another body

• When the action of push is executed by one body on another body.

• When the action of pull is executed by one body on another body.

• When either the action of push or pull is executed by one body on another body.

• When there is neither the action of push nor the action of pull executed between the bodies.