Welcome to your Force (STUDY BY TOPICS JUNIOR CLASS) NAME EMAIL PHONE NUMBER 1. [ Junior school science (physics) ]The two factors that affect the acceleration due to gravity are ________ and ________.Distance, massWeight, speedSize, distanceMass, force2. [ Junior school science (physics) ]A (n) ______________ can cause an objects motion to changeMassBalanced forceUnbalanced forceInertia3. [ Junior school science (physics) ]If I push a rock from one side with a force of 3NAnd you push the same rock from the OPPOSITE side with a force of 3N...The rock will not move at allNone of the aboveThe rock will slowly move you wayThe rock will slowly move my way4. [ Junior school science (physics) ]An object that experiences a push or a pull has a(n) __________ exerted on it.InertiaSystemEnvironmentForce5. [ Junior school science (physics) ]The amount of force needed to lift an object depends on the object'senergygravitymasssize6. [ Junior school science (physics) ]All of these are examples of contact forces EXCEPT:GravityFrictionBuoyant forceTension7. [ Junior school science (physics) ]What are the two types of kinetic friction?Static and potentialRolling and distantSliding and rollingTension and sliding8. [ Junior school science (physics) ]The size of the gravitational force depends on the ___________ of the objects and the ____________________ the objects.Masses, distance betweenWeight, distance betweenDistance, size ofDistance, pull of9. [ Junior school science (physics) ]Jack has a weight of 300 N and sits 2.0 m from the pivot of the see-saw. Jill has a weight of 450 N and sits 1.5 m from the pivot. Who will move down?JillJackBoth of themNone of them10. [ Junior school science (physics) ]A force can changeThe direction of an object, e.g. hitting a tennis ballThe speed of an object, e.g. friction can slow down a carAny of the aboveThe shape of an object, e.g. sitting on a blowup mattress11. [ Junior school science (physics) ]This type of force is the support force exerted upon an object that is in contact with another stable object. It acts perpendicular to a surface.NormalGravityTensionMagnetic12. [ Junior school science (physics) ]According to Newton's third law, forces always occur in ____ pairs.Unequal but complementaryUnequal but oppositeEqual but complementaryEqual but opposite13. [ Junior school science (physics) ]Scientists express force by using a unit called the:Joule (J)Pound (lb)Newton (N)Kg/m14. [ Junior school science (physics) ]When we measured force in our labs we used a piece of lab equipment called a _______Doctor's scaleSpring scaleTriple beam balanceRubber band15. [ Junior school science (physics) ]Jill pushes a box of books across the floor. What causes the box to move?A forceGravityInertiaFriction16. [ Junior school science (physics) ]how many forces are there?324117. [ Junior school science (physics) ]Weight is the force of ____________ on an object at the surface of a planet (like Earth).FrictionAir resistanceGravityMagnetism18. [ Junior school science (physics) ]how many planet do we have in our solar system249719. [ Junior school science (physics) ]When Forces are not balanced, the object is not moving.TrueFalse20. [ Junior school science (physics) ]___ is the speed of an object and the direction of motion.VelocityGravityFrictionMass21 out of 20Time is Up!
