Motion in one direction

The concept of the body movement means.........

• constancy of its position with the change in time.

• the change in its position with the time.

• its speed.

• its acceleration.

The two factors which can be used to describe the motion of a body are the..........

• speed & time

• distance & time

• area & time

• displacement & speed

The distance covered by a moving body through a unit time is called the.........of the the body.

• weight

• density

• speed

• motion

Speed equals..........

• distance ÷ time

• distance × time

• distance + time

• time ÷ distance

Speed measurement unit is.............

• meter . second

• meter / second

• no correct answer

A car covers 180 meters in two seconds, so its speed equals........... .

• 90 m/sec.

• 180 km/h.

• 25 km/h

• 45 m/sec.

If the speedometer of a moving car points to 90 km/h, therefore after two hours the car covers....... .

• 90 m

• 180 m

• 90 km

• 180 km