Use the force-time graph for a bat hitting a ball. What is the magnitude of the impulse delivered during the plotted contact?

A tennis racket exerts an average force of 250 N on a ball for 40 ms. What is the magnitude of the impulse delivered to the ball?

Use the force-time graph for a cart bumper during a collision. What is the magnitude of the impulse delivered to the cart?

A car with an air bag and the same car without one both bring a passenger to rest from the same speed. What does the air bag change?

A safety barrier delivers an impulse of 24 N·s during a 0.060 s contact. What average net force does the barrier exert?

Use the force-time graph for a hockey stick striking a puck. What is the magnitude of the impulse delivered to the puck?

During a lab collision, an average net force of 500 N delivers an impulse of 75 N·s. For how long did the force act?

Use the force-time graph for a golf club striking a ball. What is the magnitude of the impulse delivered to the ball?

A gymnast bends her knees when landing from a jump. Why does this reduce the chance of injury?

Use the force-time graph for a force sensor on a cart. What is the magnitude of the impulse during the contact?

A soccer ball feels an average force of 1.8 kN for 12 ms during a kick. What is the magnitude of the impulse?

Positive x is to the right. Use the graph for a wall pushing on a ball. What is the signed impulse in the x-direction?

A constant 15 N net force must deliver an impulse of 45 N·s to a cart. How long must the force act?

A car's crumple zone collapses during a crash instead of staying rigid. What is the physics reason this helps protect occupants?

Use the graph for a cart experiencing a force to the left. Positive x is to the right. What is the signed impulse in the x-direction?

A sensor reports an impulse of 6.0 N·s during a 20 ms collision. What average net force acted during the collision?

Which unit is equivalent to the newton second, the SI unit often used for impulse?

Use the force-time graph for a short hammer tap on a nail. What is the magnitude of the impulse delivered?

A padded boxing glove and a bare fist can bring the same punching hand to rest during impact. What does the padding mainly do?

A ball receives an impulse of 0.84 N·s from an average net force of 42 N. What is the contact time?

Use the force-time graph for a launcher pushing a glider. What is the magnitude of the impulse delivered to the glider?

A phone drops onto a foam pad instead of a tile floor and comes to rest from the same speed. Which explanation is best?

Impulse is a vector. For a constant net force acting during a positive time interval, what direction does the impulse have?

Use the force-time graph for a brief kick. What is the magnitude of the impulse delivered during the contact?

A climber's rope stretches during a fall while bringing the climber to rest. What effect does the stretch have?

A 320 N average force acts on a bumper for 0.050 s. What is the magnitude of the impulse delivered?

Use the force-time graph for a ball that first feels a forward force and then a backward force. Positive force is forward. What is the signed net impulse?

Which statement best defines impulse for a constant average net force?

On a force-time graph with sections above and below the time axis, how do you find signed impulse?

Use the force-time graph for a cart pushed by a spring. What is the magnitude of the impulse delivered?