Review Science 6 - Force and movement

When an astronaut stands on a weighing scale on Earth, they read 60 kg. The astronaut’s mass on Earth is ....

• 60 kg

• 60 Newton

• 600 kg

• 6000 newton

When an astronaut stands on a weighing scale on Earth, they read 60 kg. The astronout’s weight on Earth is ....

• 60 kg

• 588 newton

• 60 newton

• 588 kg

When an astronaut stands on a weighing scale on Earth, they read 60 kg. The astronauts travels to planet X which has half the gravitational force of the Earth (9,8 N). The astronout’s weight on planet Z is ....

• 60 kg

• 588 kg

• 588 newton

• 294 newton

There are some right statements about “weight”, except ....

• A.    the unit of weight is grams or kilograms

• A.    the amount of force that pulls object toward the earth

• A.    the unit of weight is newton

• A.    a forcemeter is used to measure the weight

the type of force acting in the picture is ....

• spring force

• magnetic

• gravitation

• electric

When one force on an object is bigger than the opposite force, the forces are ....

• balanced

• unbalanced

• friction

• gravitation

a donkey has a .... force than a man.

• bigger

• smaller

• same

• balance

There are some right statement to describe this picture, except ....

• work is done

• no work is done

• there is force

• there is movement

A  .... is needed to make objects move or to stop them moving.

• force

• gravity

• friction

• muscular

Mr. Adam rode a bike fastest on ice because ....

• Ice has a rough surface, so it produces less friction

• Ice has a soft surface, so it produces less friction

• Ice has a rough surface, so it produces more friction

• Ice has a soft surface, so it produces more friction