unit 2 quiz 4

The ability to do work is………………..

• Energy

• force

• speed

As the mass of a car increases the damage that occurs during collision decreases.

• true

• false

If the angle of inclination of a ramp increases the kinetic energy of an object moving down it will..............

• decrease

• increase

• remain as it is be

• destroyed

seat belt is one of the safety equipment in cars.

• true

• false

A very big truck needs………… to move.

• Very small engine

• small engine

• very big engine

Push or pull actions are considered as types of………………….

• force

• energy

• work

The speed of an object is measured in………………………. Or metres per second

kilogrammes per hour grammes were second kilometre per hour kilogrammes per kilometres

• kilograms per hour

• kilometre per hour

• kilograms per kilometres

 

To increase the……………… energy of any moving object we must increase its speed.

• Kinetic

• potential

• sound

• light

if two objects cover the same distance in the same time so they have the same speed.

• true

• false

we can't create a new form of energy and we also can't destroy an existing form of energy.

• true

• false