Science 6D - force and electricity

Which is the right statement explain MASS?

• newton is the unit to measure mass

• use a forcemeter

• the force of attraction on an object caused by gravity

• kilogram is the unit to measure mass

Which is the right statement explain "WEIGHT"?

• the amount of matter in an object

• kilogram is the unit to measure weight

• use a scale balance

• use a forcemeter

When an astronaut stands on weighing scales on Earth, the scales read 60 kg. The astronaut travels to planet X which has half the gravitational force of Earth. The Earth gravitation is 9,8 m/s. There are the right statements based on the case, except ...

• the mass on Earth is 60 kg

• the weight on Earth is 588 newton

• the mass on planet X is 600 newton

• the weight on planet X is 294 newton

a push or pull in a particular direction is called ...

• force

• mass

• weight

• forcemeter

He moves the cart closer to him. It moves toward. He ...

• pulls

• pushes

• stops

• moves

He pedals his bike faster.

Identify the effect of the force of the object!

• slow down a moving object

• speed up a moving object

• stop a moving object

• change the shape of an object

Ahsan cracks an egg into a bowl. Identify the effect of force!

• slow down a moving object

• speed up a moving object

• change the shape of an object

• stop a moving object

What property of an object determines whether it will sink or float?

• color

• size

• mass

• temperature

Which of the following objects is likely to float in water?

• solid metal ball

• wooden block

• plastic bottle filled with sand

• iron nail

If an object has a greater mass than the mass of water, what will happen when it is placed in water?

• it will float

• it will sink

• it will evaporate

• it will condense