Impulse is defined by which equations?

A place or object used for comparison to determine if an object is in motion is called? a) reference point b) constant speed c) velocity d) distance

What is To calculate the average speed, you must a) add distance and time b) subtract the total amount of distance and by the total amount of time c) add speed plus direction d) divide the total amount of distance by the total amount of time

What is An object that is in free fall seems to be a) not moving b) slowed by air resistance c) speeded up by air resistance d) weightless

When surfaces slide or tend to slide over one another, a force of _____ happens.

A ball collides with a ball with twice its mass. The impulse the first ball gives to the second ball is ______ to the impulse the second ball gives to the first ball.

What is When you kick a soccer ball it has __________ energy. a) kinetic b) potential c) mechanical d) chemical

What would the graph of no motion look like? a) a horizontal line b) the slope of the line increasing steadily c) the slope of the line decreasing steadily d) the line of the graph would increase and decrease.

What is The unit of momentum is a) kg x m b) kg x m/s c) kg x m/s 2 d) m/s 2

The tendency of things to resist change in motion is

A basketball is being dribbled by a student. At what point is the velocity of the basketball zero? a) Before the ball hits the ground. b) During the ball's contact with the ground. c) Right after the ball loses contact with the ground.

What is The upward force of an object falling through the air is a) inertia b) air resistance c) momentum d) terminal velocity

What does constant speed look like on a graph? a) a horizontal line b) the slope of the line would increase. It would be a straight line. c) The slope of the line would decrease. d) The slope of the line would increase, decrease, and then become horizontal.

What is If gravity did NOT affect the path of a horizontally thrown ball, the ball would ____. a) go straight up b) fall straight down c) follow a curved path d) travel horizontally

The direction of the friction force is always in the direction _____ of motion

Calculate the force exerted on a 10 kg object moving at 15 m/s to stop it in 0.5 seconds.

What is The path of a projectile is a) curved b) always horizontal c) always vertical d) straight

A car went 100 miles in 2 hours. What is the average speed of the car? a) 50 km/hour b) 200 miles/hour c) 50 miles/hour d) 100 km/hour

What is The statement "to every action there is an equal and opposite reaction" is ___ a) The law of conservation of momentum b) Newton's first law of motion c) Newton's second law of motion d) Newton's third law of motion

The resistive force that opposes the motion or attempted motion of an object past another with which it is in contact.

A water balloon is dropped from a height of 15 meters. Find the mass of the balloon if it experienced a force of 1500 N in 0.1 seconds to stop it completely.

What is The size of the gravitational forces between two objects depends on their a) frictional forces b) inertia c) masses and distance between them d) speed and direction

What type of force happens when objects rub against each other? a) magnetic force b) contact force c) gravitational force d) frictional force

What is When a force is exerted on a box, an equal and opposite force is exerted by the box. These forces are called ____ forces. a) action-reaction b) centripetal c) frictional d) gravitational

The motion under the influences of gravitational pull only.