Explain how factors such as gravity, friction, and change in mass affect the motion of objects.
Quiz by Sahnye Milton
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- Q 1/15Score 0What does the force of gravity do?29It pulls objects toward each otherIt makes objects floatIt pushes objects away from each otherIt turns objects to dust
15 questions
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- Q1What does the force of gravity do?It pulls objects toward each otherIt makes objects floatIt pushes objects away from each otherIt turns objects to dust30s
- Q2What is friction?A type of gravityA force that resists the motion of objectsThe sound made when two objects rub togetherThe heat produced when two objects collide30s
- Q3If you slide a book across a table, what force makes it eventually stop?Electrical forceGravityFrictionMagnetic force30s
- Q4What would happen if the force of gravity suddenly disappeared?Things would become invisibleThings would turn to dustThings would fall down fasterThings would float away30s
- Q5Why can't we walk easily on a slippery road?Because of magnetic forceBecause of more frictionBecause of less frictionBecause of increased gravity30s
- Q6Why do we slide on icy or wet surfaces?Because of reduced frictionBecause of reduced gravityBecause of increased frictionBecause of increased gravity30s
- Q7What helps a car slow down when you apply the brakes?Magnetic forceFrictionGravityElectric force30s
- Q8Which force keeps us from slipping while walking?Magnetic forceFrictionBuoyancyGravity30s
- Q9What would life be like if there was no gravity on earth?We could run fasterWe would float instead of walkWe would be able to flyWe would be stronger30s
- Q10What is the force that pulls objects towards the center of the Earth?GravityFrictionAirMagnetism30s
- Q11What force causes a ball to come back down after being thrown into the air?GravityMagnetismFrictionAir resistance30s
- Q12What is a balanced force?Forces that have no directionForces that are unequal in sizeForces that are equal in size and opposite in directionForces that are equal in size and same in direction30s
- Q13Which of the following is an example of a balanced force?Two people pushing a box from opposite sides with equal forceA car accelerating on a flat roadA person lifting a heavy object off the groundA soccer ball being kicked into the goal30s
- Q14What is the result of a balanced force on an object?The object acceleratesThe object changes its shapeThe object stops movingThe object stays at rest or continues to move at a constant speed30s
- Q15What is the net force when two balanced forces act on an object?The net force is halvedThe net force is zeroThe net force is doubledThe net force is multiplied30s
