Use $g=9\mathrm{.}8\frac{m}{s^2}$ unless otherwise specified $W=mg,g=\frac{W}{m},m=\frac{W}{g}$

A $22kg$ object is on Earth. What is the weight?

A $8500N$ weight is on Earth. What is the mass?

A $75kg$ object has a weight of $945N$ on an alien planet.

a$)$ What is the acceleration due to gravity there?

b$)$ What would the mass be like on Earth?

c$)$ What would the weight be on Earth?

A boy weighs $270N.$ What is his mass?

Find the weight of a $60kg$ table.

A Martian weighs $17N$ on the surface of Mars. The acceleration due to gravity on Mars is $3\mathrm{.}8\frac{m}{s^2}.$

a$)$ Calculate his mass on Mars.

b$)$ Does his mass change along the flight from Mars to the Moon to the Earth?

c$)$ Calculate his weight on the Earth's moon. The acceleration due to gravity on the Moon is $1\mathrm{.}6\frac{m}{s^2}.$

Find the weight of a $0\mathrm{.}002kg$ computer chip.

Dynamics Worksheet $4A$

What is the mass of a $330N$ television?

The Mars rover, Spirit, has a mass of $836kg.$

a$)$ Calculate its weight on Earth.

b$)$ Calculate its weight on Mars. The acceleration due to gravity on Mars is $3\mathrm{.}8\frac{m}{s^2}.$

The acceleration due to gravity on the moon is $1\mathrm{.}6\frac{m}{s^2}.$ A rocket weighs $650075N$ there.

a$)$ What is the mass?

b$)$ What is the weight on Earth?

A $305kg$ robot is flying through air. What is its weight on Earth?