Grade 7 Physics Motion

Potter's wheel is an example of

• Circular motion

• Curvilinear motion

• Rotational motion

• Repetitive motion

When you breathe your chest expands and contracts, it is

• vibratory motion

• rectilinear motion

• both

The motion of molecules of a liquid is

• random

• non random

• uniform

What information is required to calculate the speed of an object?

• distance and velocity
• time and distance
• acceleration and direction
• time and motion

A measurement of how fast an object is moving

• Velocity
• Speed
• Vector
• Acceleration

The speedometer on your car tells you

• average velocity
• instantaneous velocity
• average speed
• instantaneous speed

Motion is a change in ____. 

• position
• speed 
• velocity
• time

What is Uniform motion?

• when a body travels through unequal distances in intervals of time

• when a body travels the same distances in intervals of time

• when a body travels equal distances in intervals of time

• None of the above

_____________ motion is also called as linear motion.

• Curvilinear motion

• Translatory motion

• Rectilinear motion

What are the examples of Repetitive motion?

• Rotating blades of a windmill

• A ball thrown at an angle

• Revolution of the Earth

• Oscillations of a Pendulum