Chapter Questions
A crate of mass $6.00 \mathrm{kg}$ is moved by a force of $18.0 \mathrm{N}$. What is its acceleration?
An $825-N$ force is required to pedal a bike with an acceleration of $11.0 \mathrm{m} / \mathrm{s}^{2} .$ What is the mass of the bike and person?
A block of mass 0.89 slug moves with a force of 17.0 lb. Find the block's acceleration.
What is the force necessary for a $2400-\mathrm{kg}$ truck to accelerate at a rate of $8.0 \mathrm{m} / \mathrm{s}^{2}$ ?
Two movers push a piano across a frictionless surface. One pushes with $29.0 \mathrm{N}$ of force and the other mover exerts $35.0 \mathrm{N}$. What is the total force?
A $340-N$ box has a frictional force of 57 N. Find the coefficient of kinetic friction.
A truck pulls a trailer with a frictional force of $870 \mathrm{N}$ and a coefficient of friction of $0.23 .$ What is the trailer's normal force?
A steel box is slid along a steel surface. It has a normal force of $57 \mathrm{N}$. What is the frictional force?
A rock of a mass $13.0 \mathrm{kg}$ is dropped from a cliff. Find its weight.
A projectile has a mass of 0.37 slug. Find its weight.
What force is required to produce an acceleration of $4.00 \mathrm{m} / \mathrm{s}^{2}$ on a wrecking ball with a mass of $50.0 \mathrm{kg} ?$
Find the total force necessary to give a $28 \overline{0}-\mathrm{kg}$ motorcycle an acceleration of $3.20 \mathrm{m} / \mathrm{s}^{2}$.
A force of $175 \mathrm{N}$ is needed to keep a $640-\mathrm{N}$ stationary engine on wooden skids from sliding on a wooden floor. What is the coefficient of static friction?
A crated garden tractor weighs $375 \mathrm{N}$. What force is needed to start the crate sliding on a wooden floor when the coefficient of static friction is $0.40 ?$
Find the acceleration of a forklift of mass $1400 \mathrm{kg}$ pushed by a force of $2100 \mathrm{N}$ that is opposed by a frictional force of $425 \mathrm{N}$.
What is the weight of a $375-\mathrm{kg}$ air compressor?
What is the mass of a $405-\mathrm{N}$ welder? $?$
What is the mass of a $12.0-\mathrm{N}$ hammer?