A 7.3-kg bowling ball accelerates at a rate of 3.7 $m/s^2$. What force acts on the bowling ball?

Draw a diagram showing the motion of a satellite around Earth. Draw the force vectors acting on the satellite. Is the satellite accelerating?

If you push a book across a table at a constant velocity, is the friction force less than, equal to, or more than your pushing force? How do you know?

When you drop a golf ball to the pavement, it bounces up. Is a force needed to make it bounce up? If so, what exerts the force?

Draw a diagram showing the motion of a satellite around Earth. Label the forces acting on the satellite. Is the satellite accelerating?

A yo-yo is hanging motionless from a string. Identify and describe the forces exerted on the string.

You are moving fast on a skateboard when your wheel gets stuck in a crack on the sidewalk. Using the term inertia, explain what happens.

Look at the diagram below of two students pulling a bag of volleyball equipment. The friction force between the bag and the floor is $15 \mathrm{~N}$. What is the net force acting on the bag? What is the acceleration of the bag?

A 20 N force accelerates a baseball at $140 \mathrm{m} / \mathrm{s}^{2}$ (briefly!). What is the mass of the baseball?

What kind of friction allows you to walk without slipping?

On vacation, your $1400-\mathrm{kg}$ car pulls a $560-\mathrm{kg}$ trailer away from a stoplight with an acceleration of $1.85 \mathrm{~m} / \mathrm{s}^2$. What force does the trailer exert on the car?

Simplify the equation. Then solve the equation by factoring. $8 x^{2}=3\left(x^{2}+15\right)$ _____.

A force of 186 N acts on a 7.3-kg bowling ball for 0.40 s. What is the bowling ball’s change in momentum? What is its change in velocity?

Your 1400-kg car pulls a 560-kg trailer away from a stoplight with an acceleration of 1.85 m/s$^{2}$. (a) What is the net force exerted by the car on the trailer? (b) What force does the trailer exert on the car? (c) What is the net force acting on the car?