Is a object heaver underwater than on land

What is the mass of the same rock on the earth

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

Takumi works in his yard for 45 minutes each saturday. he works in the morning, and he wears sunscreen and a hat each time he works in the yard. what does takumi hope to reduce through his actions? the likelihood of stochastic effects, such as dna mutations the severity of stochastic effects, such as cancer the severity of non-stochastic effects, such as cancer the likelihood of non-stochastic effects, such as radiation sickness