SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Sam is pushing a cart. How can he make the cart move faster?
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He can add weight to the cart.
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He can push the cart up a ramp.
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He can take the wheels off the cart
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He can increase the force of his push.
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Explanation:
Detailed explanation-1: -The girl is using her muscles to push the shopping cart. Hence, she is applying muscular force on the cart. Q.
Detailed explanation-2: -The man should apply a muscular force opposite to the motion of the cart. Hence, he should apply a force to pull the cart up the slope which would balance out the gravitational force pulling it downwards. Q.
Detailed explanation-3: -Friction is lesser on a cemented road.
Detailed explanation-4: -To move a loaded cart we have to pull it . Hence action involved is as pulling.
There is 1 question to complete.