gr5 chapter 13 revision

…...... is the tendency of an object to resist any change in its motion.

• net force

• inertia

• mass

• speed

The rate at which the velocity changes, is the ........................

• acceleration

• inertia

• speed

• force

speed=........................

• distance x time

• distance /time

• force x mass

• mass x distance

the unit of speed is ..............

• km

• newton

• ton

• km/hr

The Earth has ................... motion

• vibration

• circular

• zigzag

• periodic

........................... is the energy used when a force moves an object

• work

• power

• mass

• speed

power can be measured by ................

• joules

• watts

• kg

• meter

......................... is a push or a pull.

• work

• power

• force

• mass

.................... is contact force.

• mass

• friction

• gravity

• magnetism

force = mass x......................

• power

• work

• acceleration

• weight