# Semester 1 Final Review

## Quiz by Tracy Buckley [Johnson JHS]

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31 questions

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- Q1A bike parked on a hill may roll backwards due toa frictional forcean unbalanced forceinertiaa balanced force30s
- Q2Two boys are playing tug-a-war. The rope is not moving because the boys are pulling inopposite directions with equal forcethe same direction with equal forcethe same direction with equal forceopposite directions with unequal force30s
- Q3What would cause the greatest acceleration?applying 12 N of force to an object that is 100 kgapplying 12 N of force to an object that is 1000 kgapplying 10 N of force to an object that is 100 kgapplying 10 N of force to an object that is 1000 kg30s
- Q4A girl throws a bowling ball 10 m and then throws a baseball. Which requires more force and why?the baseball because it has less volumebowling ball because it has more volumethe baseball because it has less massbowling ball because it has more mass30s
- Q5A cart with a mass of 100 kg accelerates when 10 N is applied. If the mass is doubled, how much force is required for the same acceleration?20 N100 N200 N10 N30s
- Q6A baseball bat strikes a ball. If the action force is the bat hitting the ball, the reaction force is.....the ball hitting the airthe ball hitting the groundthe bat being droppedthe ball hitting the bat30s
- Q7Newton's 1st Law statesan object at rest will begin moving until an unbalanced force is applied.an object at rest stays at rest until acted upon by an unbalanced forcean object will eventually stop with a balanced force appliedfor every action there is an equal and opposite reaction30s
- Q8A dog riding a skateboard at 4 m/s hits a curb. The dog willfall forward at a speed equal to 4 m/sfall backwards a speed greater than 4 m/sfall forward at a speed greater than 4 m/sfall backwards at a speed equal to 4 m/s30s
- Q9What two factors are used to calculate speed?distance and timemass and timemass and velocitydistance and velocity30s
- Q10Which is not an example of a child accelerating on a bike?pedaling fastercontinuing down the streetturning a cornerslamming on the brakes30s
- Q11A camel is walking at a constant speed of 2 m/s. How far will the camel travel in 30 minutes?15 m3600 m1800 m60 m30s
- Q12About how long will is take for Jill to travel 5 km at a speed of 4 m/s?20 minutes1 hour2 hours30 minutes30s
- Q13What requires the greatest force?pulling a puppy on a leashstopping a child on a bikepushing a couch across the roomthrowing a baseball30s
- Q14What will happen is a child and a large adult both kick a soccer ball?the child will kick it farther because they apply less forcethe child will kick it farther because they have less massthe adult will kick it farther because they have greater massthe adult will kick it farther because they apply more force30s
- Q15Which one shows the benefit of friction?expanding the tires of a car during a tripcausing the soles of shoes to wear outpreventing cars from slidingincreasing drag on an airplane30s