Q3 Physical Science

A vector has only magnitude.

• Fact

• Bluff

Refers to how far an object has travelled

• dynamics

• distance

• displacement

• kinematics

Change in position.

• displacement

• distance

• mechanics

• kinematics

Acceleration is a change in ____________.

• position

• distance

• speed

• distance

Which of these situations describes an accelerating object?

• an object goes from 50 m/s to 70 m/s

• an object goes around the corner at 50 m/s

• neither A nor B

• both A and B

What is the unit for accelaration?

• m/s2

• m/s3

• m/s

• m

What force or forces are acting on an object in free fall?

What type of motion occurs when you throw a ball?

• constant speed

• circular motion

• trajectory motion

• projectile motion

The descriptions of how things move is studied within the area of __________.

The laws of motion and the law of universal gravitation developed by

• Albert Einstein

• Isaac Newton

• Johannes Kepler

• Galileo Galilei