Physics Ch. 6 & 7 Test Review

T or F? If a bike crashes into a parked car, the force of impact is greater on the bike.

T or F? The earth and the moon pull on each other with equal amounts of force.

Bug splatters on a car. Compared to the deceleration of the car, the bug's deceleration was

Complete the phrase: Forces always occur...

T or F? The speed of an object *dropped in air* will increase without limit until it hits earth

T or F? Objects move from rest only when a force is exerted.

T or F? A rocketship is pushed forward by gases that are forced out of the back of the ship

T or F? Pressure is defined as the force one object exerts on another object.

T or F? Whenever one object exerts force on another the second object will exert the same force

A girl weighs 200N and hangs from two ropes. What is the tension in each rope?

Which would exert the most pressure on the ground?

T or F? The acceleration of an object is inversely proportional to the net force acting on it.

If a horse pulls on a wagon at rest, the wagon pulls back equally- will the wagon move?

A man weighs 500N. When he's sitting on the floor, how much force is the floor exerting on him?

T or F? Air resistance is caused by friction between the air and the object moving through it.

In the mass on a cart doubles, what happens to the cart's acceleration?

T or F? In order to pull a cart, a horse must pull harder on the cart than the cart pulls back

Bronco jumped out of a helicopter-- his velocity is increasing, his acceleration is _____.

A man weighs 500N. When he's sitting on the floor, how much force is he exerting?

Bug splatters on a car. Compare the force of the car on the bug&the force of the bug on the car

The acceleration produced by a net force on an object is

If the force acting on a cart doubles, what happens to the cart's acceleration?

A student hits a nail with a hammer. During the collision, there is a force..

Pressure is defined as

What is the correct equation for acceleration?