Section 2 revision

Instrument used to measure mass

• balance
• spring
• rule
• weights

Instrument used to measure weight

• balance
• Newton meter
• pendulum
• rule

Weight is

• a gravitational force
• a gravitational field
• a mass
• a gravitational acceleration

When water is sitting high up in a mountain lake it has a lot of

• gravitational potential energy
• chemical potential energy
• nuclear potential eneryg
• kinetic energy

The equation for gravitational potential energy is

• mgh
• mah
• hag
• gam

The equation for kinetic energy is

• 1/2mv²
• 1/2mv
• 1/2m²v
• 1/2mha

A filament lamp converts

• electrical to light and heat

• sound to light

• light to electrical

• electrical to heat

A crane lifts a 200 kg beam 10 m upwards in a time of 1 minute. How much power did the crane exert?

• 2000 Watts

• 333 W

• 20 000 W

• 33.3 W

A measure of how much matter an object has is--

• weight
• gravity
• mass
• volume

Tags

NGSS.MS-PS1-5

On which celestial object (outer space) would your mass be the greatest?

• Earth

• Jupiter

• Sun

• Your mass doesn't change on different celestial objects

Tags

NGSS.MS-PS2-4