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by BlastRoom
Work out how an object's acceleration depends on the net force pushing it and on its mass.
#us_grade_8_science
40 questions
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A net force of 36 N acts on a 9 kg loaded sled on smooth snow. What is the sled's acceleration?
A 45 kg shopping cart is pushed along a level aisle by a net force of 90 N. What acceleration does the cart have?
A net force of 60 N acts on an 8 kg toy wagon rolling on a smooth floor. Find the wagon's acceleration.
A 600 kg trailer on a level track feels a net force of 300 N. What is the trailer's acceleration?
A skateboard and its cargo have a mass of 8 kg. A net force of 40 N acts on them. What is their acceleration?
A 12 kg crate slides across a low-friction bench under a net force of 72 N. What acceleration does the crate have?
A net force of 20 N acts on an 80 kg refrigerator standing on rollers. What is the refrigerator's acceleration?
A 2 kg model rocket car on a level track is driven by a net force of 24 N. Find its acceleration.
A 6 kg lab cart on a smooth ramp track feels a net force of 9 N. What is the cart's acceleration?
A 500 kg go-kart and driver are pushed forward by a net force of 1,500 N on a straight track. What is their acceleration?
A net force of 50 N acts on a 2.5 kg remote-control car on a gym floor. What acceleration does it have?
Two students push a 40 kg cart with a combined net force of 100 N along a level hallway. What is the cart's acceleration?
A 1,500 kg car speeds up at 2 m/s squared along a straight road. What net force acts on the car?
A cyclist and bicycle together have a mass of 60 kg and speed up at 0.5 m/s squared. What net force acts on them?
A 0.5 kg hockey puck on smooth ice is pushed by a stick and speeds up at 40 m/s squared. What net force acts on the puck?
An 8 kg bowling ball rolls down a ramp with an acceleration of 3 m/s squared. What net force is acting on it?
A loaded garden cart with a mass of 250 kg speeds up at 1.2 m/s squared. What net force acts on the cart?
A student and scooter with a combined mass of 45 kg speed up at 2 m/s squared on a flat path. What net force acts on the student and scooter?
An elevator car with a mass of 1,200 kg starts upward with an acceleration of 0.8 m/s squared. What net force acts on it?
A 30 kg dog pulling on a leash speeds up at 4 m/s squared. What net force acts on the dog?
A net force of 84 N gives a loaded backpack sled an acceleration of 7 m/s squared. What is its mass?
A net force of 240 N gives a rolling equipment case an acceleration of 4 m/s squared. What is the case's mass?
A net force of 45 N moves a heavy display cabinet with an acceleration of 0.5 m/s squared. What is the cabinet's mass?
A net force of 6,000 N gives a delivery van an acceleration of 2.5 m/s squared. What is the van's mass?
A net force of 18 N gives a low-friction lab cart an acceleration of 3 m/s squared. What is the cart's mass?
Two identical carts roll on the same smooth floor. The net force on cart B is three times the net force on cart A. How does cart B's acceleration compare with cart A's?
A crate is pushed with a steady net force. A second crate of twice the mass is pushed with the same net force on the same floor. What is the heavier crate's acceleration?
A mover wants a loaded dolly to speed up twice as quickly without changing what is loaded on it. What must happen to the net force on the dolly?
A cart's net force is doubled and its mass is also doubled at the same time. What happens to the cart's acceleration?
Two identical wagons are given the same push on the same path, but one is empty and one is loaded with bricks. Which wagon speeds up more?
A team removes cargo until a sled's mass is one third of what it was, while the net force stays the same. How does the sled's acceleration change?
An engineer halves the net force on a test cart but keeps its mass the same. What happens to the cart's acceleration?
A student says that doubling a cart's net force while halving its mass will double its acceleration. Which statement corrects the student?
A test cart's net force is made four times larger while its mass is doubled. How does its new acceleration compare with the original?
A delivery cart accelerates at 4 m/s squared. Workers then halve its net force and halve its mass at the same time. What is the cart's new acceleration?
Four crates on one smooth floor each get the same 120 N net force. Crate J is 15 kg, crate K 20 kg, crate L 30 kg and crate M 60 kg. Which crate speeds up fastest?
Four sleds cross the same ice with an equal 90 N net force. Sled P is 10 kg, sled Q 18 kg, sled R 25 kg and sled S 45 kg. Which sled has the smallest acceleration?
Four carts are tested: cart P, 40 N on 10 kg; cart Q, 60 N on 20 kg; cart R, 30 N on 5 kg; cart S, 100 N on 50 kg. Which cart has the greatest acceleration?
Four robots are tested: robot W, 24 N on 4 kg; robot X, 18 N on 9 kg; robot Y, 50 N on 10 kg; robot Z, 36 N on 6 kg. Which robot has the smallest acceleration?
Four identical 5 kg carts get different net forces: cart A 10 N, cart B 25 N, cart C 15 N, cart D 40 N. Which cart speeds up fastest?
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20 questions
