8th Grade Physical Science GMAS review

Front

Explain why a golf ball that is hit on the moon travels much farther than a golf ball that is hit with the same force on Earth.

Back

There is a greater gravitational pull on earth pulling the ball down.

Front

The tendency of a stationary object to resist being put into motion is known as

Back

inertia

Front

Back

Force of the car on the wall is equal to the force of the wall on the car.

Front

Back

a screw

Front

Back

2 and 3

Front

What is the total force and direction? Options: 50N to the right, 350N to the right, 50N to the left, The cart doesn't move

Back

50N to the right

Front

Jonas needs to split a log. He has a sledge hammer. What other tool should he also use to split the log? Options: a lever, a pulley, a wedge, a fulcrum

Back

a wedge

Front

What activity makes use of a pulley? Options: raising a flag, a tug-of-war game, tying a knot to hold down a tent, a jump-rope game

Back

raising a flag

Front

Which of the following will definitely cause a change in the velocity of a parked car? The car experiences an unbalanced force, All forces acting on the car increase by 1N, All forces acting on the car decrease by 1N, The forces acting on the car are equal and balanced

Back

The car experiences an unbalanced force

Front

According to Newton's second law of motion, in which of the situations is the object accelerating? Options: a book on a shelf, a rock sitting on the ground, a helium balloon tied to a lamp post, a ball that has been thrown upward

Back

a ball that has been thrown upward